四川恒压供水设备价格
叠压(ya)(ya)供(gong)(gong)水(shui)设(she)备采(cai)用(yong)(yong)(yong)双水(shui)泵(beng)(beng)叠加(jia)(jia)的(de)方式(shi),实现冗余(yu)运(yun)(yun)行(xing),提(ti)(ti)高(gao)供(gong)(gong)水(shui)系(xi)统(tong)的(de)可靠性(xing)和(he)稳(wen)(wen)(wen)定(ding)性(xing)。这种方式(shi)的(de)优点在于,当一台(tai)水(shui)泵(beng)(beng)出现故障(zhang)时,另一台(tai)水(shui)泵(beng)(beng)可以立(li)即(ji)接替工作,保(bao)证供(gong)(gong)水(shui)系(xi)统(tong)的(de)正(zheng)常运(yun)(yun)行(xing)。同时,双水(shui)泵(beng)(beng)叠加(jia)(jia)的(de)方式(shi)还可以减少水(shui)泵(beng)(beng)的(de)运(yun)(yun)行(xing)时间,延长水(shui)泵(beng)(beng)的(de)使用(yong)(yong)(yong)寿命,降低维护成本。此外,双水(shui)泵(beng)(beng)叠加(jia)(jia)的(de)方式(shi)还可以提(ti)(ti)高(gao)供(gong)(gong)水(shui)系(xi)统(tong)的(de)水(shui)压(ya)(ya),保(bao)证供(gong)(gong)水(shui)系(xi)统(tong)的(de)稳(wen)(wen)(wen)定(ding)性(xing),满足用(yong)(yong)(yong)户的(de)需求。叠压(ya)(ya)供(gong)(gong)水(shui)设(she)备采(cai)用(yong)(yong)(yong)双水(shui)泵(beng)(beng)叠加(jia)(jia)的(de)方式(shi),实现冗余(yu)运(yun)(yun)行(xing),提(ti)(ti)高(gao)供(gong)(gong)水(shui)系(xi)统(tong)的(de)可靠性(xing)和(he)稳(wen)(wen)(wen)定(ding)性(xing)。这种方式(shi)的(de)优点在于,双水(shui)泵(beng)(beng)叠加(jia)(jia)可以保(bao)证供(gong)(gong)水(shui)系(xi)统(tong)的(de)稳(wen)(wen)(wen)定(ding)性(xing)。无负(fu)压(ya)(ya)供(gong)(gong)水(shui)设(she)备能够提(ti)(ti)供(gong)(gong)稳(wen)(wen)(wen)定(ding)的(de)水(shui)压(ya)(ya),确保(bao)用(yong)(yong)(yong)户在高(gao)峰时段(duan)仍享受(shou)到充(chong)足的(de)供(gong)(gong)水(shui)。四川恒压(ya)(ya)供(gong)(gong)水(shui)设(she)备价格
设(she)(she)(she)(she)备(bei)(bei)(bei)(bei)分类:如今,随着社会经济(ji)的(de)(de)发(fa)展,倡导(dao)的(de)(de)节约型社会等,都促(cu)使着供(gong)(gong)(gong)水(shui)(shui)设(she)(she)(she)(she)备(bei)(bei)(bei)(bei)的(de)(de)技(ji)术在不断地更新发(fa)展,据“供(gong)(gong)(gong)水(shui)(shui)设(she)(she)(she)(she)备(bei)(bei)(bei)(bei)推(tui)广中心”显示的(de)(de)资(zi)料可(ke)知(zhi)。市场上流行的(de)(de)供(gong)(gong)(gong)水(shui)(shui)设(she)(she)(she)(she)备(bei)(bei)(bei)(bei),可(ke)以根据其类型的(de)(de)不同(tong)分为:无(wu)负(fu)(fu)(fu)(fu)压(ya)(ya)(ya)变(bian)频(pin)(pin)供(gong)(gong)(gong)水(shui)(shui)设(she)(she)(she)(she)备(bei)(bei)(bei)(bei),无(wu)塔变(bian)频(pin)(pin)供(gong)(gong)(gong)水(shui)(shui)设(she)(she)(she)(she)备(bei)(bei)(bei)(bei),双模变(bian)频(pin)(pin)供(gong)(gong)(gong)水(shui)(shui)设(she)(she)(she)(she)备(bei)(bei)(bei)(bei),家用一体式(shi)(shi)供(gong)(gong)(gong)水(shui)(shui)设(she)(she)(she)(she)备(bei)(bei)(bei)(bei),数控气压(ya)(ya)(ya)供(gong)(gong)(gong)水(shui)(shui)设(she)(she)(she)(she)备(bei)(bei)(bei)(bei)等。其中,无(wu)负(fu)(fu)(fu)(fu)压(ya)(ya)(ya)变(bian)频(pin)(pin)供(gong)(gong)(gong)水(shui)(shui)设(she)(she)(she)(she)备(bei)(bei)(bei)(bei)又可(ke)以分为:罐式(shi)(shi)无(wu)负(fu)(fu)(fu)(fu)压(ya)(ya)(ya)供(gong)(gong)(gong)水(shui)(shui)设(she)(she)(she)(she)备(bei)(bei)(bei)(bei),箱式(shi)(shi)无(wu)负(fu)(fu)(fu)(fu)压(ya)(ya)(ya)供(gong)(gong)(gong)水(shui)(shui)设(she)(she)(she)(she)备(bei)(bei)(bei)(bei),管(guan)中泵式(shi)(shi)无(wu)负(fu)(fu)(fu)(fu)压(ya)(ya)(ya)供(gong)(gong)(gong)水(shui)(shui)设(she)(she)(she)(she)备(bei)(bei)(bei)(bei),屏(ping)蔽式(shi)(shi)无(wu)负(fu)(fu)(fu)(fu)压(ya)(ya)(ya)供(gong)(gong)(gong)水(shui)(shui)设(she)(she)(she)(she)备(bei)(bei)(bei)(bei)以及小(xiao)型机械一体式(shi)(shi)无(wu)负(fu)(fu)(fu)(fu)压(ya)(ya)(ya)供(gong)(gong)(gong)水(shui)(shui)设(she)(she)(she)(she)备(bei)(bei)(bei)(bei)。安徽(hui)消防供(gong)(gong)(gong)水(shui)(shui)设(she)(she)(she)(she)备(bei)(bei)(bei)(bei)尺(chi)寸(cun)运(yun)用自(zi)动供(gong)(gong)(gong)水(shui)(shui)设(she)(she)(she)(she)备(bei)(bei)(bei)(bei),可(ke)以实现供(gong)(gong)(gong)水(shui)(shui)系统的(de)(de)智能(neng)化分区控制,提高供(gong)(gong)(gong)水(shui)(shui)的(de)(de)管(guan)理精度。
变频供(gong)水(shui)设(she)(she)备产品特点(dian):1、 操(cao)作简(jian)单:该设(she)(she)备采用(yong)全(quan)自(zi)动控(kong)(kong)制(zhi),PID调节(jie),键(jian)盘操(cao)作,人机(ji)(ji)界(jie)面(文(wen)本、数字)显示。操(cao)作人员只需(xu)转(zhuan)换电控(kong)(kong)柜开关(guan),就(jiu)可以实现用(yong)户所需(xu)工况,实现全(quan)自(zi)动无人值守(shou)。2、 保护功能(neng)齐全(quan):具有(you)完善的(de)过载、短路、过压(ya)、欠压(ya)、缺(que)相、过流(liu)、短路、水(shui)源缺(que)水(shui)等自(zi)动保护功能(neng)。在异常情况下能(neng)进行信号报警、自(zi)检、故(gu)障判断等。3、 占(zhan)地少安装(zhuang)方便:整套(tao)设(she)(she)备只有(you)一组供(gong)水(shui)控(kong)(kong)制(zhi)柜和水(shui)泵(beng)机(ji)(ji)组,安装(zhuang)非(fei)常简(jian)单方便。4、 延长水(shui)泵(beng)及电机(ji)(ji)的(de)使用(yong)寿命:对多台(tai)泵(beng)组均能(neng)可靠的(de)实现软启(qi)动,使电网(wang)和管网(wang)免冲击,并且(qie)轮(lun)流(liu)运转(zhuan),很大程度上(shang)延长了水(shui)泵(beng)及电机(ji)(ji)的(de)使用(yong)寿命。
罐式无(wu)(wu)负(fu)(fu)压(ya)供(gong)水(shui)设(she)备正(zheng)(zheng)常投入使用时(shi),市(shi)政(zheng)(zheng)管(guan)(guan)(guan)网(wang)的水(shui)进入无(wu)(wu)负(fu)(fu)压(ya)稳流(liu)(liu)罐,罐内(nei)(nei)(nei)(nei)的空(kong)气从排(pai)(pai)(pai)气阀(fa)(fa)大量(liang)排(pai)(pai)(pai)出(chu),当(dang)(dang)空(kong)气排(pai)(pai)(pai)完时(shi),阀(fa)(fa)内(nei)(nei)(nei)(nei)浮(fu)(fu)球(qiu)被水(shui)浮(fu)(fu)起,传动塞头至(zhi)关闭位(wei)置(zhi),慢慢关闭排(pai)(pai)(pai)气口,停止(zhi)排(pai)(pai)(pai)气,防止(zhi)出(chu)水(shui),当(dang)(dang)稳流(liu)(liu)罐内(nei)(nei)(nei)(nei)水(shui)流(liu)(liu)正(zheng)(zheng)常输送时(shi),如有少量(liang)空(kong)气聚集在罐内(nei)(nei)(nei)(nei)到相当(dang)(dang)程度,罐内(nei)(nei)(nei)(nei)水(shui)位(wei)下(xia)(xia)降(jiang)(jiang),浮(fu)(fu)球(qiu)随(sui)(sui)之下(xia)(xia)降(jiang)(jiang),此时(shi)空(kong)气则有排(pai)(pai)(pai)气孔排(pai)(pai)(pai)出(chu)。设(she)备正(zheng)(zheng)常运行过程中,当(dang)(dang)市(shi)政(zheng)(zheng)管(guan)(guan)(guan)网(wang)供(gong)水(shui)量(liang)不(bu)足时(shi),市(shi)政(zheng)(zheng)进水(shui)管(guan)(guan)(guan)管(guan)(guan)(guan)内(nei)(nei)(nei)(nei)水(shui)流(liu)(liu)空(kong)时(shi),或稳流(liu)(liu)罐内(nei)(nei)(nei)(nei)水(shui)压(ya)低于(yu)大气压(ya)时(shi),稳流(liu)(liu)罐内(nei)(nei)(nei)(nei)水(shui)位(wei)下(xia)(xia)降(jiang)(jiang),浮(fu)(fu)球(qiu)随(sui)(sui)之下(xia)(xia)降(jiang)(jiang),带动塞头开启,吸入空(kong)气,使稳流(liu)(liu)罐内(nei)(nei)(nei)(nei)保持大气压(ya)力,不(bu)对(dui)市(shi)政(zheng)(zheng)管(guan)(guan)(guan)网(wang)产生负(fu)(fu)压(ya)。无(wu)(wu)负(fu)(fu)压(ya)供(gong)水(shui)设(she)备的发(fa)展将助(zhu)力城市(shi)供(gong)水(shui)系统的升级和改造,提升城市(shi)形象和人民生活(huo)质量(liang)。
自(zi)(zi)(zi)动(dong)供(gong)(gong)(gong)(gong)水(shui)(shui)设(she)备(bei)中(zhong)的(de)(de)(de)传(chuan)感(gan)(gan)(gan)器(qi)技术(shu)具(ju)有很多优(you)势。首先,传(chuan)感(gan)(gan)(gan)器(qi)可以(yi)(yi)实时监测水(shui)(shui)位、水(shui)(shui)压(ya)等参数,提供(gong)(gong)(gong)(gong)准确的(de)(de)(de)数据(ju)支持,从而实现对(dui)(dui)(dui)供(gong)(gong)(gong)(gong)水(shui)(shui)设(she)备(bei)的(de)(de)(de)自(zi)(zi)(zi)动(dong)化(hua)控(kong)制(zhi)。其次,传(chuan)感(gan)(gan)(gan)器(qi)可以(yi)(yi)实现对(dui)(dui)(dui)供(gong)(gong)(gong)(gong)水(shui)(shui)设(she)备(bei)的(de)(de)(de)远程监控(kong),供(gong)(gong)(gong)(gong)水(shui)(shui)管理(li)人员可以(yi)(yi)通(tong)过远程监控(kong)系统实时了(le)解(jie)供(gong)(gong)(gong)(gong)水(shui)(shui)设(she)备(bei)的(de)(de)(de)运(yun)行(xing)状态(tai),及时发现和解(jie)决问题(ti),提高供(gong)(gong)(gong)(gong)水(shui)(shui)设(she)备(bei)的(de)(de)(de)可靠性和稳定性。除此之(zhi)外,传(chuan)感(gan)(gan)(gan)器(qi)技术(shu)还可以(yi)(yi)实现对(dui)(dui)(dui)供(gong)(gong)(gong)(gong)水(shui)(shui)设(she)备(bei)的(de)(de)(de)智能化(hua)管理(li)。传(chuan)感(gan)(gan)(gan)器(qi)可以(yi)(yi)通(tong)过感(gan)(gan)(gan)知水(shui)(shui)位、水(shui)(shui)压(ya)等参数,将(jiang)这些数据(ju)传(chuan)输到控(kong)制(zhi)系统中(zhong),从而实现对(dui)(dui)(dui)供(gong)(gong)(gong)(gong)水(shui)(shui)设(she)备(bei)的(de)(de)(de)自(zi)(zi)(zi)动(dong)化(hua)控(kong)制(zhi)。传(chuan)感(gan)(gan)(gan)器(qi)技术(shu)的(de)(de)(de)应(ying)用(yong)使得(de)自(zi)(zi)(zi)动(dong)供(gong)(gong)(gong)(gong)水(shui)(shui)设(she)备(bei)可以(yi)(yi)更加(jia)准确地控(kong)制(zhi)供(gong)(gong)(gong)(gong)水(shui)(shui)流(liu)量和水(shui)(shui)压(ya),从而提高供(gong)(gong)(gong)(gong)水(shui)(shui)效率(lv)和水(shui)(shui)质。叠(die)压(ya)供(gong)(gong)(gong)(gong)水(shui)(shui)设(she)备(bei)在农田灌溉、工业生产(chan)和城市景(jing)(jing)观供(gong)(gong)(gong)(gong)水(shui)(shui)等领域具(ju)有普(pu)遍的(de)(de)(de)应(ying)用(yong)前景(jing)(jing)。四川恒压(ya)供(gong)(gong)(gong)(gong)水(shui)(shui)设(she)备(bei)价格
利用(yong)(yong)自动供水设(she)备,可以实时监(jian)测供水网络的水质(zhi)情(qing)况(kuang),保障用(yong)(yong)户用(yong)(yong)水的安全和卫生。四川恒压(ya)供水设(she)备价格
自动(dong)(dong)(dong)供(gong)水(shui)(shui)设(she)(she)备(bei)的(de)(de)(de)(de)(de)(de)应(ying)用前景非常(chang)广阔。随着城市(shi)(shi)化进程的(de)(de)(de)(de)(de)(de)加(jia)快和(he)(he)人口的(de)(de)(de)(de)(de)(de)增(zeng)加(jia),供(gong)水(shui)(shui)系统(tong)的(de)(de)(de)(de)(de)(de)规模和(he)(he)复(fu)杂度不断增(zeng)加(jia),传统(tong)的(de)(de)(de)(de)(de)(de)供(gong)水(shui)(shui)管(guan)理方(fang)式已(yi)经无法满足(zu)需求。自动(dong)(dong)(dong)供(gong)水(shui)(shui)设(she)(she)备(bei)可以实现(xian)(xian)对(dui)供(gong)水(shui)(shui)系统(tong)的(de)(de)(de)(de)(de)(de)智能化管(guan)理,提(ti)高供(gong)水(shui)(shui)系统(tong)的(de)(de)(de)(de)(de)(de)稳定性和(he)(he)可靠性,符合现(xian)(xian)代化城市(shi)(shi)供(gong)水(shui)(shui)管(guan)理的(de)(de)(de)(de)(de)(de)需求。自动(dong)(dong)(dong)供(gong)水(shui)(shui)设(she)(she)备(bei)的(de)(de)(de)(de)(de)(de)应(ying)用前景还体现(xian)(xian)在其技术创新和(he)(he)发展上。随着科(ke)技的(de)(de)(de)(de)(de)(de)不断进步,自动(dong)(dong)(dong)供(gong)水(shui)(shui)设(she)(she)备(bei)的(de)(de)(de)(de)(de)(de)性能和(he)(he)功能不断提(ti)高,如自适应(ying)控(kong)制、智能诊(zhen)断、远程监控(kong)等技术的(de)(de)(de)(de)(de)(de)应(ying)用,将(jiang)进一步提(ti)高自动(dong)(dong)(dong)供(gong)水(shui)(shui)设(she)(she)备(bei)的(de)(de)(de)(de)(de)(de)应(ying)用价(jia)值和(he)(he)市(shi)(shi)场竞争力。四川(chuan)恒压供(gong)水(shui)(shui)设(she)(she)备(bei)价(jia)格
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天(tian)津什么是PTFE焊接(jie)加工工艺
PTFE聚四氟乙烯(xi))是一种具有优异性能的(de)塑料(liao)材料(liao),应用于各个行业的(de)制造(zao)过(guo)程(cheng)中。在塑料(liao)部件的(de)焊接(jie)加工中,PTFE具有许(xu)多优势(shi),使其(qi)成为(wei)材料(liao)。下面,我将为(wei)家介绍PTFE的(de)塑料(liao)部件焊接(jie)加工的(de)优势(shi)。PTFE具 。
港澳(ao)游(you)旅(lv)行社的(de)(de)(de)费(fei)用(yong)(yong)包括(kuo)(kuo)了很多项(xiang)目,具体包括(kuo)(kuo)以下几(ji)个方(fang)面:1.机票(piao)费(fei)用(yong)(yong):旅(lv)行社会为游(you)客(ke)安排(pai)往返香(xiang)港或(huo)中国澳(ao)门的(de)(de)(de)机票(piao),费(fei)用(yong)(yong)包括(kuo)(kuo)在(zai)旅(lv)行团的(de)(de)(de)总费(fei)用(yong)(yong)中。2.酒(jiu)店住宿(su)费(fei)用(yong)(yong):旅(lv)行社会为游(you)客(ke)安排(pai)在(zai)香(xiang)港或(huo)中国澳(ao)门的(de)(de)(de)酒(jiu)店 。
以(yi)下,为您盘点(dian)常见的几类(lei)(lei)增值电(dian)信(xin)(xin)业(ye)(ye)务(wu)(wu)(wu)(wu),以(yi)及相关的政策监管牌(pai)照(zhao)。1.、互(hu)联网(wang)信(xin)(xin)息(xi)(xi)服务(wu)(wu)(wu)(wu)业(ye)(ye)务(wu)(wu)(wu)(wu)ICP许可证):信(xin)(xin)息(xi)(xi)服务(wu)(wu)(wu)(wu)业(ye)(ye)务(wu)(wu)(wu)(wu)只限互(hu)联网(wang)信(xin)(xin)息(xi)(xi)服务(wu)(wu)(wu)(wu))业(ye)(ye)务(wu)(wu)(wu)(wu)是第二类(lei)(lei)增值电(dian)信(xin)(xin)业(ye)(ye)务(wu)(wu)(wu)(wu)B25类(lei)(lei))。互(hu)联网(wang)有(you)偿信(xin)(xin)息(xi)(xi)服务(wu)(wu)(wu)(wu),包括(kuo)在(zai)线销 。
面对(dui)市场竞争的(de)日(ri)益(yi)激烈(lie),制造企(qi)业想要得到客户(hu)的(de)认可,不得不从(cong)价(jia)格优(you)势(shi)转向高(gao)质(zhi)量(liang)(liang)的(de)产品(pin)优(you)势(shi)。产品(pin)质(zhi)量(liang)(liang)的(de)高(gao)低已经(jing)关系到企(qi)业核心(xin)竞争力的(de)重要一环(huan)。如何有(you)效地管理和利用(yong)这些从(cong)企(qi)业生(sheng)产和经(jing)营中产生(sheng)的(de)庞杂的(de)质(zhi)量(liang)(liang)数(shu) 。
面对市场竞(jing)争的(de)日(ri)益激烈,制造企业(ye)想要(yao)(yao)得(de)到客户(hu)的(de)认可,不得(de)不从价格优(you)势(shi)转向高(gao)质(zhi)(zhi)量(liang)的(de)产(chan)品(pin)优(you)势(shi)。产(chan)品(pin)质(zhi)(zhi)量(liang)的(de)高(gao)低已经关系(xi)到企业(ye)核心竞(jing)争力的(de)重(zhong)要(yao)(yao)一环(huan)。如(ru)何(he)有效地管(guan)理和(he)利用这些(xie)从企业(ye)生产(chan)和(he)经营(ying)中产(chan)生的(de)庞(pang)杂的(de)质(zhi)(zhi)量(liang)数 。
智能雨(yu)(yu)水收集系统是一种新(xin)型的环保设(she)备,它可(ke)以(yi)收集雨(yu)(yu)水并(bing)将其(qi)用(yong)于灌溉、洗(xi)车、清洗(xi)等用(yong)途(tu)。这种系统不仅可(ke)以(yi)节约水资源,还可(ke)以(yi)减少排放,对环境(jing)保护(hu)起到了积极的作(zuo)用(yong)。智能雨(yu)(yu)水收集系统的使用(yong)体验非常好,用(yong)户可(ke)以(yi) 。
面对市场(chang)竞争的(de)日益(yi)激烈,制造企(qi)业想要得到客户的(de)认可,不(bu)(bu)得不(bu)(bu)从价(jia)格优(you)势(shi)(shi)转向高质(zhi)量的(de)产品优(you)势(shi)(shi)。产品质(zhi)量的(de)高低(di)已经关系到企(qi)业核心竞争力的(de)重要一(yi)环。如何(he)有效地(di)管(guan)理(li)和利用(yong)这些从企(qi)业生产和经营中产生的(de)庞杂的(de)质(zhi)量数 。
利用磁(ci)致伸(shen)缩液(ye)位传感(gan)器(qi)(qi),可实现(xian)液(ye)舱液(ye)位的检测,具(ju)有(you)以下优(you)势:磁(ci)致伸(shen)缩液(ye)位传感(gan)器(qi)(qi)采用波(bo)导(dao)脉(mai)冲方式工作(zuo),通过测量起(qi)止脉(mai)冲的时(shi)刻来测定被测位移量,具(ju)有(you)较高的精度(du)优(you)于0.01% FS),具(ju)有(you)其他(ta)传感(gan)器(qi)(qi)所(suo)不(bu)能及 。
沙(sha)子(zi)三筒(tong)(tong)烘干(gan)机(ji)的(de)(de)工(gong)作原(yuan)理:沙(sha)子(zi)三筒(tong)(tong)烘干(gan)机(ji)是一种高效的(de)(de)沙(sha)子(zi)烘干(gan)设备,普遍(bian)应用(yong)于建(jian)筑、化(hua)工(gong)、冶金等(deng)领域。其工(gong)作原(yuan)理可(ke)以分为三个主(zhu)要(yao)部分,分别是预热、烘干(gan)和(he)冷(leng)却。下面将详(xiang)细介绍沙(sha)子(zi)三筒(tong)(tong)烘干(gan)机(ji)的(de)(de)工(gong)作原(yuan)理。预热 。
风(feng)动装置在航(hang)空航(hang)天领域有一(yi)些应用,以下是其中(zhong)的(de)一(yi)些例子:航(hang)空飞机(ji)(ji)(ji):在航(hang)空飞机(ji)(ji)(ji)中(zhong),风(feng)动装置通常指(zhi)的(de)是飞机(ji)(ji)(ji)的(de)动力(li)装置,如涡轮喷气(qi)发(fa)动机(ji)(ji)(ji)。涡轮喷气(qi)发(fa)动机(ji)(ji)(ji)利用风(feng)力(li)和空气(qi)的(de)动力(li)来(lai)推动飞机(ji)(ji)(ji)前(qian)进(jin)。它们(men)通过将空气(qi)压缩 。
3各(ge)组小(xiao)鼠(shu)(shu)(shu)心(xin)肌组织病(bing)(bing)理学(xue)改变光镜下(xia),A组小(xiao)鼠(shu)(shu)(shu)心(xin)肌组织未见(jian)病(bing)(bing)变;B、C组小(xiao)鼠(shu)(shu)(shu)心(xin)肌组织均可见(jian)典型的VMC改变,B组病(bing)(bing)变较(jiao)重(zhong),可见(jian)片(pian)状及弥漫(man)性(xing)炎性(xing)细胞浸润(run),心(xin)肌纤维断(duan)裂和局灶(zao)性(xing)坏死,C组病(bing)(bing)变较(jiao)B组轻,炎性(xing)细 。