在(zai)(zai)银(yin)(yin)行业务(wu)迅速发(fa)展的(de)(de)(de)当下(xia)，银(yin)(yin)行后台服务(wu)器和网(wang)络设(she)备数(shu)量也是与日俱增。尽管大(da)部(bu)分服务(wu)器都(dou)(dou)拥(yong)有(you)自己的(de)(de)(de)本地时(shi)钟(zhong)，但(dan)这些(xie)时(shi)钟(zhong)在(zai)(zai)自己运行的(de)(de)(de)过(guo)(guo)程(cheng)中，每天都(dou)(dou)会(hui)产生时(shi)间误(wu)差。在(zai)(zai)长期运行过(guo)(guo)程(cheng)中，时(shi)间偏差会(hui)越(yue)来(lai)越(yue)大(da)，可能有(you)数(shu)秒甚至数(shu)分的(de)(de)(de)偏差，进(jin)而导致银(yin)(yin)行内(nei)(nei)部(bu)各服务(wu)器之间的(de)(de)(de)时(shi)间各不相(xiang)同，无法准确推(tui)断出业务(wu)具体(ti)是在(zai)(zai)什么时(shi)候发(fa)生的(de)(de)(de)，谁(shei)先(xian)发(fa)生的(de)(de)(de)，进(jin)而影响(xiang)了交(jiao)易的(de)(de)(de)公(gong)平、公(gong)正，也为银(yin)(yin)行系(xi)统(tong)内(nei)(nei)部(bu)日后的(de)(de)(de)维护造成很多困(kun)难，举步维艰(jian)。银(yin)(yin)行医院gps子母钟(zhong)推(tui)荐成都(dou)(dou)引众数(shu)字设(she)备有(you)限公(gong)司(si)。浙江(jiang)工厂子母钟(zhong)厂家

铁(tie)路(lu)时(shi)(shi)(shi)(shi)(shi)钟(zhong)(zhong)(zhong)同(tong)(tong)(tong)(tong)(tong)步(bu)(bu)系(xi)(xi)统铁(tie)路(lu)时(shi)(shi)(shi)(shi)(shi)钟(zhong)(zhong)(zhong)为铁(tie)路(lu)控(kong)制中心、车(che)站值班工作人(ren)员以(yi)及(ji)乘客提供(gong)(gong)统一(yi)的(de)(de)(de)(de)标(biao)准(zhun)(zhun)时(shi)(shi)(shi)(shi)(shi)间(jian)(jian)(jian)(jian)(jian)(jian)信息，为通信各(ge)子(zi)系(xi)(xi)统、安全(quan)门等(deng)系(xi)(xi)统的(de)(de)(de)(de)中心设备提供(gong)(gong)了统一(yi)的(de)(de)(de)(de)时(shi)(shi)(shi)(shi)(shi)间(jian)(jian)(jian)(jian)(jian)(jian)信号。铁(tie)路(lu)时(shi)(shi)(shi)(shi)(shi)钟(zhong)(zhong)(zhong)同(tong)(tong)(tong)(tong)(tong)步(bu)(bu)系(xi)(xi)统的(de)(de)(de)(de)设置对保证地铁(tie)运行计时(shi)(shi)(shi)(shi)(shi)准(zhun)(zhun)确、提高(gao)运营服(fu)务质量(liang)起着重要(yao)的(de)(de)(de)(de)作用。铁(tie)路(lu)时(shi)(shi)(shi)(shi)(shi)钟(zhong)(zhong)(zhong)同(tong)(tong)(tong)(tong)(tong)步(bu)(bu)系(xi)(xi)统主(zhu)(zhu)要(yao)构(gou)成(cheng)是(shi)控(kong)制中心一(yi)级(ji)(ji)母(mu)钟(zhong)(zhong)(zhong)和(he)车(che)站、车(che)辆(liang)段二级(ji)(ji)母(mu)钟(zhong)(zhong)(zhong)两级(ji)(ji)方式设置以(yi)及(ji)子(zi)钟(zhong)(zhong)(zhong)组成(cheng)，主(zhu)(zhu)要(yao)的(de)(de)(de)(de)功能是(shi)校(xiao)时(shi)(shi)(shi)(shi)(shi)和(he)显示时(shi)(shi)(shi)(shi)(shi)间(jian)(jian)(jian)(jian)(jian)(jian)。通常一(yi)级(ji)(ji)母(mu)钟(zhong)(zhong)(zhong)设备接收gps或北斗卫星(xing)的(de)(de)(de)(de)标(biao)准(zhun)(zhun)时(shi)(shi)(shi)(shi)(shi)间(jian)(jian)(jian)(jian)(jian)(jian)信息进行自动(dong)校(xiao)时(shi)(shi)(shi)(shi)(shi)，也(ye)可(ke)接入其它外部(bu)参考保持(chi)同(tong)(tong)(tong)(tong)(tong)步(bu)(bu)。同(tong)(tong)(tong)(tong)(tong)时(shi)(shi)(shi)(shi)(shi)产生准(zhun)(zhun)确的(de)(de)(de)(de)同(tong)(tong)(tong)(tong)(tong)步(bu)(bu)时(shi)(shi)(shi)(shi)(shi)间(jian)(jian)(jian)(jian)(jian)(jian)信息，通过(guo)传(chuan)(chuan)输通道向车(che)站和(he)车(che)辆(liang)段的(de)(de)(de)(de)二级(ji)(ji)母(mu)钟(zhong)(zhong)(zhong)传(chuan)(chuan)送(song)，这样就可(ke)以(yi)统一(yi)校(xiao)准(zhun)(zhun)二级(ji)(ji)母(mu)钟(zhong)(zhong)(zhong)的(de)(de)(de)(de)时(shi)(shi)(shi)(shi)(shi)间(jian)(jian)(jian)(jian)(jian)(jian)信息；二级(ji)(ji)母(mu)钟(zhong)(zhong)(zhong)系(xi)(xi)统接收一(yi)级(ji)(ji)母(mu)钟(zhong)(zhong)(zhong)发出的(de)(de)(de)(de)标(biao)准(zhun)(zhun)时(shi)(shi)(shi)(shi)(shi)间(jian)(jian)(jian)(jian)(jian)(jian)信息，与(yu)一(yi)级(ji)(ji)母(mu)钟(zhong)(zhong)(zhong)时(shi)(shi)(shi)(shi)(shi)间(jian)(jian)(jian)(jian)(jian)(jian)信息保持(chi)一(yi)致的(de)(de)(de)(de)同(tong)(tong)(tong)(tong)(tong)时(shi)(shi)(shi)(shi)(shi)，输出1路(lu)网络输出，通过(guo)网线(xian)接到核(he)心交换(huan)机上，给整(zheng)个(ge)(ge)系(xi)(xi)统分布的(de)(de)(de)(de)各(ge)个(ge)(ge)子(zi)钟(zhong)(zhong)(zhong)进行授时(shi)(shi)(shi)(shi)(shi)。云(yun)南GPS子(zi)母(mu)钟(zhong)(zhong)(zhong)系(xi)(xi)统供(gong)(gong)应(ying)商(shang)成(cheng)都引众拥有(you)丰富的(de)(de)(de)(de)时(shi)(shi)(shi)(shi)(shi)钟(zhong)(zhong)(zhong)系(xi)(xi)统同(tong)(tong)(tong)(tong)(tong)步(bu)(bu)生产经验，能实现100ps同(tong)(tong)(tong)(tong)(tong)步(bu)(bu)精度的(de)(de)(de)(de)高(gao)精度时(shi)(shi)(shi)(shi)(shi)统技(ji)术，可(ke)提供(gong)(gong)定制化(hua)服(fu)务。

设备选型表序号名称(cheng)说明(ming)1北(bei)斗主时(shi)(shi)钟(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)YZ-9820B母(mu)(mu)钟(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)，2U,19英(ying)寸(cun)2GPS主时(shi)(shi)钟(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)YZ-9820G母(mu)(mu)钟(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)，2U,19英(ying)寸(cun)4时(shi)(shi)钟(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)监测(ce)管(guan)(guan)理系(xi)统软件(jian)系(xi)统5数(shu)字(zi)式(shi)(shi)(shi)子(zi)(zi)钟(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)表盘指(zhi)(zhi)(zhi)针式(shi)(shi)(shi)子(zi)(zi)钟(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)，配(pei)(pei)合母(mu)(mu)钟(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)使用(yong)6指(zhi)(zhi)(zhi)针式(shi)(shi)(shi)子(zi)(zi)钟(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)数(shu)码管(guan)(guan)/LED数(shu)字(zi)式(shi)(shi)(shi)子(zi)(zi)钟(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)，配(pei)(pei)合母(mu)(mu)钟(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)使用(yong)7无线(xian)转(zhuan)发器(qi)433MHz免申(shen)请频段(duan)，传输距离2000米(mi)8控制(zhi)器(qi)支(zhi)持遥控器(qi)方(fang)(fang)式(shi)(shi)(shi)或墙(qiang)壁嵌(qian)入(ru)式(shi)(shi)(shi)9天线(xian)及(ji)防雷模块(kuai)根据现场情况(kuang)选择配(pei)(pei)置(zhi)不同长度的卫星(xing)天线(xian)设备选型表序号名称(cheng)说明(ming)1北(bei)斗主时(shi)(shi)钟(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)YZ-9820B母(mu)(mu)钟(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)，2U,19英(ying)寸(cun)2GPS主时(shi)(shi)钟(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)YZ-9820G母(mu)(mu)钟(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)，2U,19英(ying)寸(cun)4时(shi)(shi)钟(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)监测(ce)管(guan)(guan)理系(xi)统软件(jian)系(xi)统5数(shu)字(zi)式(shi)(shi)(shi)子(zi)(zi)钟(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)表盘指(zhi)(zhi)(zhi)针式(shi)(shi)(shi)子(zi)(zi)钟(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)，配(pei)(pei)合母(mu)(mu)钟(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)使用(yong)6指(zhi)(zhi)(zhi)针式(shi)(shi)(shi)子(zi)(zi)钟(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)数(shu)码管(guan)(guan)/LED数(shu)字(zi)式(shi)(shi)(shi)子(zi)(zi)钟(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)，配(pei)(pei)合母(mu)(mu)钟(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)使用(yong)7无线(xian)转(zhuan)发器(qi)433MHz免申(shen)请频段(duan)，传输距离2000米(mi)8控制(zhi)器(qi)支(zhi)持遥控器(qi)方(fang)(fang)式(shi)(shi)(shi)或墙(qiang)壁嵌(qian)入(ru)式(shi)(shi)(shi)9天线(xian)及(ji)防雷模块(kuai)根据现场情况(kuang)选择配(pei)(pei)置(zhi)不同长度的卫星(xing)天线(xian)

医(yi)(yi)(yi)院(yuan)(yuan)(yuan)对(dui)时(shi)钟(zhong)(zhong)系(xi)(xi)(xi)统(tong)的(de)(de)(de)(de)要求(qiu)智(zhi)(zhi)慧医(yi)(yi)(yi)院(yuan)(yuan)(yuan)的(de)(de)(de)(de)标志之一是(shi)(shi)数(shu)字化(hua)(hua)(hua)，它也带来了医(yi)(yi)(yi)院(yuan)(yuan)(yuan)服务和管(guan)理(li)(li)方(fang)式的(de)(de)(de)(de)重大(da)变革。医(yi)(yi)(yi)院(yuan)(yuan)(yuan)智(zhi)(zhi)能(neng)化(hua)(hua)(hua)系(xi)(xi)(xi)统(tong)是(shi)(shi)医(yi)(yi)(yi)院(yuan)(yuan)(yuan)数(shu)字化(hua)(hua)(hua)建(jian)设的(de)(de)(de)(de)重要内容，传统(tong)上主要包(bao)括智(zhi)(zhi)能(neng)建(jian)筑、机(ji)电设备(bei)管(guan)理(li)(li)和基础(chu)(chu)设施(shi)等，如今，在(zai)“物联网”“云(yun)计(ji)算”“大(da)数(shu)据”等新技术的(de)(de)(de)(de)支持下，发展出更广阔的(de)(de)(de)(de)外延、更丰富的(de)(de)(de)(de)内涵。目前医(yi)(yi)(yi)院(yuan)(yuan)(yuan)智(zhi)(zhi)能(neng)化(hua)(hua)(hua)系(xi)(xi)(xi)统(tong)一般由网络(luo)(luo)通信(xin)(xin)系(xi)(xi)(xi)统(tong)、安全(quan)防(fang)范(fan)系(xi)(xi)(xi)统(tong)、多媒体(ti)音视频系(xi)(xi)(xi)统(tong)、建(jian)筑设备(bei)智(zhi)(zhi)能(neng)管(guan)理(li)(li)系(xi)(xi)(xi)统(tong)、医(yi)(yi)(yi)院(yuan)(yuan)(yuan)后勤运营(ying)智(zhi)(zhi)能(neng)管(guan)控(kong)(kong)系(xi)(xi)(xi)统(tong)等构成。设计(ji)要求(qiu)按照三级(ji)医(yi)(yi)(yi)院(yuan)(yuan)(yuan)智(zhi)(zhi)能(neng)化(hua)(hua)(hua)系(xi)(xi)(xi)统(tong)标准和规范(fan)设计(ji)，以(yi)(yi)(yi)信(xin)(xin)息(xi)(xi)化(hua)(hua)(hua)基础(chu)(chu)设施(shi)建(jian)设为(wei)(wei)，以(yi)(yi)(yi)信(xin)(xin)息(xi)(xi)资源(yuan)建(jian)设为(wei)(wei)，以(yi)(yi)(yi)应用系(xi)(xi)(xi)统(tong)建(jian)设为(wei)(wei)重点(dian)，构建(jian)以(yi)(yi)(yi)医(yi)(yi)(yi)疗服务为(wei)(wei)的(de)(de)(de)(de)信(xin)(xin)息(xi)(xi)交换(huan)平(ping)台，以(yi)(yi)(yi)综(zong)合管(guan)理(li)(li)为(wei)(wei)的(de)(de)(de)(de)信(xin)(xin)息(xi)(xi)服务平(ping)台，以(yi)(yi)(yi)医(yi)(yi)(yi)院(yuan)(yuan)(yuan)智(zhi)(zhi)能(neng)化(hua)(hua)(hua)综(zong)合控(kong)(kong)制为(wei)(wei)的(de)(de)(de)(de)可视化(hua)(hua)(hua)管(guan)理(li)(li)平(ping)台，形成以(yi)(yi)(yi)医(yi)(yi)(yi)疗、科研、管(guan)理(li)(li)为(wei)(wei)一体(ti)的(de)(de)(de)(de)信(xin)(xin)息(xi)(xi)网络(luo)(luo)。时(shi)钟(zhong)(zhong)系(xi)(xi)(xi)统(tong)医(yi)(yi)(yi)院(yuan)(yuan)(yuan)时(shi)钟(zhong)(zhong)系(xi)(xi)(xi)统(tong)主要为(wei)(wei)全(quan)院(yuan)(yuan)(yuan)提供(gong)(gong)统(tong)一的(de)(de)(de)(de)准确时(shi)间，其(qi)主要作用是(shi)(shi)为(wei)(wei)整个(ge)医(yi)(yi)(yi)院(yuan)(yuan)(yuan)的(de)(de)(de)(de)计(ji)算系(xi)(xi)(xi)统(tong)及呼叫系(xi)(xi)(xi)统(tong)、BA系(xi)(xi)(xi)统(tong)、手术室控(kong)(kong)制系(xi)(xi)(xi)统(tong)以(yi)(yi)(yi)及其(qi)它弱电子系(xi)(xi)(xi)统(tong)提供(gong)(gong)标准的(de)(de)(de)(de)时(shi)间，以(yi)(yi)(yi)保证(zheng)整个(ge)医(yi)(yi)(yi)院(yuan)(yuan)(yuan)大(da)楼弱电系(xi)(xi)(xi)统(tong)、安全(quan)运行(xing)。引众子母钟(zhong)(zhong)系(xi)(xi)(xi)统(tong)采用母钟(zhong)(zhong)与(yu)子钟(zhong)(zhong)二(er)级(ji)组网方(fang)式，母钟(zhong)(zhong)是(shi)(shi)NPT时(shi)间服务器(qi)，从卫星接收授时(shi)信(xin)(xin)号(hao)，并显示在(zai)子钟(zhong)(zhong)上。

医(yi)院(yuan)统一(yi)时(shi)(shi)(shi)钟(zhong)(zhong)系统解决方(fang)(fang)案(an)(an)1、护士站：护士站，统一(yi)安(an)装单(dan)(dan)(dan)面(mian)(mian)(mian)壁(bi)挂(gua)日历时(shi)(shi)(shi)钟(zhong)(zhong)(单(dan)(dan)(dan)面(mian)(mian)(mian)子(zi)钟(zhong)(zhong))。2、手术室：通常使用单(dan)(dan)(dan)面(mian)(mian)(mian)壁(bi)挂(gua)安(an)装3联(lian)时(shi)(shi)(shi)钟(zhong)(zhong)，用于记录(lu)，手术/麻醉/倒计(ji)(ji)/正计(ji)(ji)时(shi)(shi)(shi)间，便于医(yi)护人(ren)员手术进度，协调安(an)排。3、走廊(lang)：在每个(ge)通道(dao)中间位置安(an)装双面(mian)(mian)(mian)吊顶日历时(shi)(shi)(shi)钟(zhong)(zhong)，距(ju)离(li)(li)可按(an)照通道(dao)总(zong)长40-50米判断,大于这个(ge)距(ju)离(li)(li)，建(jian)议(yi)安(an)装2台或者(zhe)定(ding)制大—号时(shi)(shi)(shi)钟(zhong)(zhong)。4、各科室：多数采用单(dan)(dan)(dan)面(mian)(mian)(mian)壁(bi)挂(gua)日历时(shi)(shi)(shi)钟(zhong)(zhong)，可根据(ju)房(fang)间大小(xiao)选(xuan)择不同规格/款式，也可采用指针式时(shi)(shi)(shi)钟(zhong)(zhong)，不过现(xian)在时(shi)(shi)(shi)代需(xu)求(qiu)，为更方(fang)(fang)便快速查(cha)看，建(jian)议(yi)还是采用数字(zi)时(shi)(shi)(shi)钟(zhong)(zhong)。5、计(ji)(ji)算机网络(luo)(luo)：医(yi)院(yuan)网络(luo)(luo)内，存在大量网络(luo)(luo)设备(bei)、服务(wu)器(qi)和主机，它(ta)们承载了(le)医(yi)院(yuan)网中的计(ji)(ji)费、维护、管理等功(gong)能，对时(shi)(shi)(shi)间的准确度需(xu)求(qiu)比较(jiao)高，在各项单(dan)(dan)(dan)据(ju)上也要求(qiu)时(shi)(shi)(shi)间必须精细，要求(qiu)在网络(luo)(luo)之(zhi)间传递的信息能够在时(shi)(shi)(shi)间上保持高度一(yi)致(zhi)。成(cheng)都引众数字(zi)设备(bei)有(you)限公司专业卫星时(shi)(shi)(shi)钟(zhong)(zhong)同步15年+，有(you)一(yi)套成(cheng)熟的区域时(shi)(shi)(shi)间或跨区域时(shi)(shi)(shi)间同步的解决方(fang)(fang)案(an)(an)。上海(hai)水电站子(zi)母(mu)钟(zhong)(zhong)功(gong)能

子母钟推荐(jian)成都引众(zhong)数字设(she)备有限公司(si)。浙江工厂(chang)子母钟厂(chang)家(jia)

母(mu)(mu)(mu)钟(zhong)(zhong)(zhong)特(te)点(dian)：1、母(mu)(mu)(mu)钟(zhong)(zhong)(zhong)时(shi)(shi)(shi)(shi)钟(zhong)(zhong)(zhong)系统精度高，同(tong)步快。2、的(de)(de)(de)(de)(de)(de)(de)工(gong)业(ye)级元(yuan)件，高水准的(de)(de)(de)(de)(de)(de)(de)电(dian)气(qi)设(she)计(ji)，高密度集成(cheng)的(de)(de)(de)(de)(de)(de)(de)电(dian)路(lu)结构，使装(zhuang)(zhuang)置(zhi)(zhi)(zhi)(zhi)拥(yong)有(you)(you)优(you)异的(de)(de)(de)(de)(de)(de)(de)电(dian)气(qi)隔离和电(dian)磁(ci)屏(ping)蔽表(biao)现(xian)，整机(ji)无(wu)可调节器件，极大提高了装(zhuang)(zhuang)置(zhi)(zhi)(zhi)(zhi)抗干扰性能与可靠性保障。3、母(mu)(mu)(mu)钟(zhong)(zhong)(zhong)时(shi)(shi)(shi)(shi)钟(zhong)(zhong)(zhong)系统提供(gong)一(yi)(yi)路(lu)TTL脉冲信号供(gong)时(shi)(shi)(shi)(shi)钟(zhong)(zhong)(zhong)的(de)(de)(de)(de)(de)(de)(de)准确(que)度指标测试。4、母(mu)(mu)(mu)钟(zhong)(zhong)(zhong)时(shi)(shi)(shi)(shi)钟(zhong)(zhong)(zhong)系统提供(gong)网口(kou)输出，供(gong)电(dian)力(li)、电(dian)信、金(jin)融、广电(dian)、交(jiao)通、安防行业(ye)校时(shi)(shi)(shi)(shi)服务(wu)。5、持(chi)单星(xing)授时(shi)(shi)(shi)(shi)模(mo)式(shi)，适(shi)用于收星(xing)效(xiao)果不佳(jia)的(de)(de)(de)(de)(de)(de)(de)情况，有(you)(you)蘑菇头(tou)天线及吸盘式(shi)天线可供(gong)选(xuan)择(ze)。6、前面板有(you)(you)工(gong)作(zuo)(zuo)状态指示，便于运行值(zhi)班人员(yuan)的(de)(de)(de)(de)(de)(de)(de)日常巡视。7、母(mu)(mu)(mu)钟(zhong)(zhong)(zhong)时(shi)(shi)(shi)(shi)钟(zhong)(zhong)(zhong)系统可通过数码管显示跟踪到的(de)(de)(de)(de)(de)(de)(de)有(you)(you)效(xiao)卫(wei)星(xing)个数，在线显示装(zhuang)(zhuang)置(zhi)(zhi)(zhi)(zhi)的(de)(de)(de)(de)(de)(de)(de)收星(xing)状况及工(gong)作(zuo)(zuo)状态。8、母(mu)(mu)(mu)钟(zhong)(zhong)(zhong)时(shi)(shi)(shi)(shi)钟(zhong)(zhong)(zhong)系统采用全模(mo)块化即(ji)插即(ji)用结构设(she)计(ji)，支持(chi)板卡热插拔，配置(zhi)(zhi)(zhi)(zhi)灵活(huo)，维护方(fang)便，同(tong)时(shi)(shi)(shi)(shi)为将(jiang)来电(dian)厂(chang)/变(bian)电(dian)站(zhan)改造(zao)扩建时(shi)(shi)(shi)(shi)增加或(huo)更改对时(shi)(shi)(shi)(shi)信号接口(kou)提供(gong)了方(fang)便。9、母(mu)(mu)(mu)钟(zhong)(zhong)(zhong)时(shi)(shi)(shi)(shi)钟(zhong)(zhong)(zhong)系统的(de)(de)(de)(de)(de)(de)(de)机(ji)箱(xiang)为进口(kou)铝板铬酸钝(dun)化、拉(la)细(xi)丝哑(ya)银，经过钝(dun)化处(chu)理的(de)(de)(de)(de)(de)(de)(de)铝板，铝板铬酸钝(dun)化使其表(biao)面形成(cheng)了一(yi)(yi)层致密的(de)(de)(de)(de)(de)(de)(de)钝(dun)化膜可以达(da)到抗腐蚀的(de)(de)(de)(de)(de)(de)(de)目的(de)(de)(de)(de)(de)(de)(de)，现(xian)有(you)(you)黑色机(ji)箱(xiang)和银白色机(ji)箱(xiang)可供(gong)用户选(xuan)择(ze)。浙江工(gong)厂(chang)子母(mu)(mu)(mu)钟(zhong)(zhong)(zhong)厂(chang)家

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