无(wu)铁(tie)(tie)芯(xin)(xin)(xin)空心杯微(wei)(wei)型(xing)电(dian)(dian)(dian)(dian)(dian)(dian)机(ji)优点1）功率密度高(gao)(gao)：空心杯微(wei)(wei)电(dian)(dian)(dian)(dian)(dian)(dian)机(ji)的(de)(de)(de)(de)(de)功率密度是(shi)输出功率与(yu)(yu)(yu)重量或体(ti)积的(de)(de)(de)(de)(de)比(bi)值(zhi)，无(wu)铁(tie)(tie)芯(xin)(xin)(xin)转(zhuan)(zhuan)(zhuan)子(zi)与(yu)(yu)(yu)普(pu)通铁(tie)(tie)芯(xin)(xin)(xin)转(zhuan)(zhuan)(zhuan)子(zi)相比(bi)要轻(qing)，无(wu)铁(tie)(tie)芯(xin)(xin)(xin)转(zhuan)(zhuan)(zhuan)子(zi)消除(chu)了(le)(le)(le)铁(tie)(tie)芯(xin)(xin)(xin)转(zhuan)(zhuan)(zhuan)子(zi)产(chan)生的(de)(de)(de)(de)(de)涡流(liu)与(yu)(yu)(yu)磁滞(zhi)损耗(hao)，提高(gao)(gao)了(le)(le)(le)微(wei)(wei)电(dian)(dian)(dian)(dian)(dian)(dian)机(ji)的(de)(de)(de)(de)(de)效(xiao)(xiao)率，确保较高(gao)(gao)的(de)(de)(de)(de)(de)输出转(zhuan)(zhuan)(zhuan)矩(ju)(ju)(ju)与(yu)(yu)(yu)输出功率；2）使用效(xiao)(xiao)率高(gao)(gao)：微(wei)(wei)电(dian)(dian)(dian)(dian)(dian)(dian)机(ji)效(xiao)(xiao)率高(gao)(gao)的(de)(de)(de)(de)(de)原(yuan)因是(shi)因为(wei)(wei)无(wu)铁(tie)(tie)芯(xin)(xin)(xin)转(zhuan)(zhuan)(zhuan)子(zi)没(mei)有涡流(liu)损耗(hao)与(yu)(yu)(yu)磁滞(zhi)损耗(hao)，电(dian)(dian)(dian)(dian)(dian)(dian)阻也非常(chang)小降低(di)了(le)(le)(le)铜损；3）无(wu)转(zhuan)(zhuan)(zhuan)矩(ju)(ju)(ju)滞(zhi)后：无(wu)铁(tie)(tie)芯(xin)(xin)(xin)转(zhuan)(zhuan)(zhuan)子(zi)因没(mei)有磁滞(zhi)损耗(hao)，所(suo)(suo)以(yi)减(jian)少了(le)(le)(le)速(su)度和(he)(he)(he)转(zhuan)(zhuan)(zhuan)矩(ju)(ju)(ju)波(bo)动(dong)；4）无(wu)齿(chi)(chi)槽(cao)(cao)效(xiao)(xiao)应(ying)(ying)(ying)：普(pu)通微(wei)(wei)电(dian)(dian)(dian)(dian)(dian)(dian)机(ji)会(hui)在槽(cao)(cao)与(yu)(yu)(yu)磁体(ti)的(de)(de)(de)(de)(de)相互作(zuo)用下产(chan)生齿(chi)(chi)槽(cao)(cao)效(xiao)(xiao)应(ying)(ying)(ying)，而无(wu)铁(tie)(tie)芯(xin)(xin)(xin)直(zhi)流(liu)电(dian)(dian)(dian)(dian)(dian)(dian)机(ji)就(jiu)消除(chu)了(le)(le)(le)此(ci)效(xiao)(xiao)应(ying)(ying)(ying)，所(suo)(suo)以(yi)齿(chi)(chi)槽(cao)(cao)效(xiao)(xiao)应(ying)(ying)(ying)和(he)(he)(he)转(zhuan)(zhuan)(zhuan)矩(ju)(ju)(ju)滞(zhi)后现象都不(bu)会(hui)存在；5）启(qi)动(dong)转(zhuan)(zhuan)(zhuan)矩(ju)(ju)(ju)低(di)：由于(yu)无(wu)磁滞(zhi)损耗(hao)、无(wu)齿(chi)(chi)槽(cao)(cao)效(xiao)(xiao)应(ying)(ying)(ying)所(suo)(suo)以(yi)启(qi)动(dong)转(zhuan)(zhuan)(zhuan)矩(ju)(ju)(ju)非常(chang)低(di)，通常(chang)轴承负荷是(shi)的(de)(de)(de)(de)(de)阻碍；6）微(wei)(wei)电(dian)(dian)(dian)(dian)(dian)(dian)机(ji)转(zhuan)(zhuan)(zhuan)子(zi)和(he)(he)(he)定(ding)子(zi)之间无(wu)径(jing)向(xiang)(xiang)作(zuo)用力：没(mei)有铁(tie)(tie)芯(xin)(xin)(xin)转(zhuan)(zhuan)(zhuan)子(zi)的(de)(de)(de)(de)(de)直(zhi)流(liu)电(dian)(dian)(dian)(dian)(dian)(dian)机(ji)是(shi)不(bu)存在转(zhuan)(zhuan)(zhuan)子(zi)和(he)(he)(he)定(ding)子(zi)的(de)(de)(de)(de)(de)径(jing)向(xiang)(xiang)磁力，在一(yi)些应(ying)(ying)(ying)用产(chan)品(pin)中，转(zhuan)(zhuan)(zhuan)子(zi)和(he)(he)(he)定(ding)子(zi)的(de)(de)(de)(de)(de)径(jing)向(xiang)(xiang)力会(hui)造成转(zhuan)(zhuan)(zhuan)子(zi)不(bu)稳(wen)定(ding)，减(jian)少径(jing)向(xiang)(xiang)力可改(gai)善转(zhuan)(zhuan)(zhuan)子(zi)的(de)(de)(de)(de)(de)稳(wen)定(ding)性(xing)；7）速(su)度曲(qu)线(xian)(xian)平滑、噪(zao)音低(di)：没(mei)有铁(tie)(tie)芯(xin)(xin)(xin)转(zhuan)(zhuan)(zhuan)子(zi)减(jian)少了(le)(le)(le)转(zhuan)(zhuan)(zhuan)矩(ju)(ju)(ju)与(yu)(yu)(yu)电(dian)(dian)(dian)(dian)(dian)(dian)压的(de)(de)(de)(de)(de)谐波(bo)，因为(wei)(wei)微(wei)(wei)电(dian)(dian)(dian)(dian)(dian)(dian)机(ji)内不(bu)存在AC场(chang)，所(suo)(suo)以(yi)没(mei)有AC产(chan)生噪(zao)音，有轴承与(yu)(yu)(yu)气流(liu)产(chan)生的(de)(de)(de)(de)(de)噪(zao)音和(he)(he)(he)非正(zheng)弦波(bo)电(dian)(dian)(dian)(dian)(dian)(dian)流(liu)造成的(de)(de)(de)(de)(de)振动(dong)；8）高(gao)(gao)转(zhuan)(zhuan)(zhuan)速(su)线(xian)(xian)圈：微(wei)(wei)电(dian)(dian)(dian)(dian)(dian)(dian)机(ji)在高(gao)(gao)速(su)运(yun)转(zhuan)(zhuan)(zhuan)时(shi)电(dian)(dian)(dian)(dian)(dian)(dian)感值(zhi)参数是(shi)重要的(de)(de)(de)(de)(de)。

在(zai)以蓄(xu)电(dian)池供电(dian)的应用中，无铁芯(xin)设计还可以延长设备的使用寿命并(bing)提高能源效率(lv)。上海(hai)医疗空心杯马达哪(na)家(jia)好

空心杯电机绕(rao)组引(yin)(yin)出(chu)线(xian)(xian)(xian)(xian)(xian)的(de)接线(xian)(xian)(xian)(xian)(xian)引(yin)(yin)出(chu)装置(zhi),其包括端盘(pan);端盘(pan)的(de)表面(mian)开(kai)设(she)有(you)(you)(you)(you)线(xian)(xian)(xian)(xian)(xian)孔(kong),且线(xian)(xian)(xian)(xian)(xian)孔(kong)开(kai)设(she)有(you)(you)(you)(you)两组,端盘(pan)的(de)表面(mian)固(gu)定(ding)有(you)(you)(you)(you)杆(gan)(gan)(gan)壳(qiao)(qiao),且杆(gan)(gan)(gan)壳(qiao)(qiao)设(she)置(zhi)有(you)(you)(you)(you)两组,杆(gan)(gan)(gan)壳(qiao)(qiao)的(de)外(wai)壁(bi)(bi)开(kai)设(she)有(you)(you)(you)(you)杆(gan)(gan)(gan)槽,杆(gan)(gan)(gan)槽的(de)内部插接有(you)(you)(you)(you)支(zhi)撑杆(gan)(gan)(gan);支(zhi)撑杆(gan)(gan)(gan)的(de)一(yi)端固(gu)定(ding)有(you)(you)(you)(you)线(xian)(xian)(xian)(xian)(xian)夹(jia),支(zhi)撑杆(gan)(gan)(gan)的(de)外(wai)壁(bi)(bi)固(gu)定(ding)有(you)(you)(you)(you)拉片,线(xian)(xian)(xian)(xian)(xian)孔(kong)的(de)一(yi)侧固(gu)定(ding)有(you)(you)(you)(you)第二线(xian)(xian)(xian)(xian)(xian)夹(jia),线(xian)(xian)(xian)(xian)(xian)夹(jia)与(yu)第二线(xian)(xian)(xian)(xian)(xian)夹(jia)的(de)内壁(bi)(bi)处(chu)均覆盖(gai)有(you)(you)(you)(you)防滑(hua)垫,杆(gan)(gan)(gan)壳(qiao)(qiao)的(de)内部设(she)置(zhi)有(you)(you)(you)(you)弹(dan)簧.本实用新型(xing)通过(guo)端盘(pan)上(shang)设(she)置(zhi)有(you)(you)(you)(you)线(xian)(xian)(xian)(xian)(xian)夹(jia)和第二线(xian)(xian)(xian)(xian)(xian)夹(jia),在(zai)(zai)引(yin)(yin)线(xian)(xian)(xian)(xian)(xian)穿过(guo)线(xian)(xian)(xian)(xian)(xian)孔(kong)时,线(xian)(xian)(xian)(xian)(xian)夹(jia)和第二线(xian)(xian)(xian)(xian)(xian)夹(jia)将利于对(dui)引(yin)(yin)线(xian)(xian)(xian)(xian)(xian)形(xing)成(cheng)限(xian)位夹(jia)持(chi)效果(guo),起到(dao)稳固(gu)引(yin)(yin)线(xian)(xian)(xian)(xian)(xian)的(de)效果(guo),降低断线(xian)(xian)(xian)(xian)(xian)的(de)问(wen)题产生。无锡医疗空心杯马达生产厂家在(zai)(zai)空心杯电机里，因(yin)为有(you)(you)(you)(you)了转子的(de)空心结构于是(shi)就将磁瓦(wa)结构做到(dao)转子内圈(quan)之中。

空(kong)(kong)心(xin)杯电(dian)(dian)机的(de)优点及应(ying)用(yong)：对驱动元(yuan)件(jian)要求(qiu)平(ping)稳持久拖动的(de)产(chan)品(pin)。如(ru)各类便携式(shi)的(de)仪(yi)器仪(yi)表，个(ge)人随身装备(bei)，野(ye)外作(zuo)(zuo)业的(de)仪(yi)器设备(bei)，电(dian)(dian)动车(che)等(deng)，同样(yang)一(yi)(yi)组电(dian)(dian)源，供电(dian)(dian)时(shi)间可(ke)以(yi)延长一(yi)(yi)倍以(yi)上。各种飞行器，包括航空(kong)(kong)、航天、航模等(deng)。利用(yong)空(kong)(kong)心(xin)杯电(dian)(dian)动机重量轻(qing)，体(ti)积(ji)小(xiao)(xiao)，能(neng)耗低(di)的(de)优点，可(ke)以(yi)很大限度(du)地(di)减轻(qing)飞行器的(de)重量。各种各样(yang)的(de)民(min)用(yong)电(dian)(dian)器、工业产(chan)品(pin)。采用(yong)空(kong)(kong)心(xin)杯电(dian)(dian)动机作(zuo)(zuo)为(wei)(wei)执(zhi)行元(yuan)件(jian)，可(ke)以(yi)使产(chan)品(pin)档次提高，性(xing)能(neng)优越。因为(wei)(wei)空(kong)(kong)心(xin)杯电(dian)(dian)机体(ti)积(ji)小(xiao)(xiao)，很多体(ti)积(ji)要求(qiu)比(bi)较小(xiao)(xiao)的(de)商品(pin)都采用(yong)了空(kong)(kong)心(xin)杯作(zuo)(zuo)为(wei)(wei)动力元(yuan)件(jian)。比(bi)如(ru)；玩具(ju)礼(li)品(pin)（玩具(ju)车(che)，航模等(deng)）、美容按(an)摩(mo)产(chan)品(pin)（洗脸刷(shua)，导入仪(yi)，脸部按(an)摩(mo)器等(deng)）、生活(huo)日用(yong)品(pin)（电(dian)(dian)动牙刷(shua)，洗头刷(shua)，直发器等(deng)）。

新(xin)型(xing)永(yong)磁(ci)式直流空心(xin)杯电(dian)(dian)(dian)机的(de)(de)(de)电(dian)(dian)(dian)刷(shua)(shua)(shua)(shua)箱(xiang)体(ti)(ti)组(zu)件,包(bao)括:电(dian)(dian)(dian)刷(shua)(shua)(shua)(shua)箱(xiang)体(ti)(ti),铆钉(ding)和(he)接(jie)线柱;电(dian)(dian)(dian)刷(shua)(shua)(shua)(shua)箱(xiang)体(ti)(ti)上(shang)设置(zhi)有(you)定位(wei)凸台(tai),电(dian)(dian)(dian)刷(shua)(shua)(shua)(shua)止(zhi)挡(dang)(dang)凸台(tai)和(he)凹槽(cao),凹槽(cao)内设置(zhi)有(you)弹簧(huang);铆钉(ding)上(shang)设置(zhi)有(you)盲孔,电(dian)(dian)(dian)刷(shua)(shua)(shua)(shua)上(shang)垫片(pian),电(dian)(dian)(dian)刷(shua)(shua)(shua)(shua)下(xia)垫片(pian),电(dian)(dian)(dian)刷(shua)(shua)(shua)(shua)止(zhi)挡(dang)(dang)台(tai)阶圆以及电(dian)(dian)(dian)刷(shua)(shua)(shua)(shua),弹簧(huang)部(bu)分伸出凹槽(cao),其深处(chu)部(bu)分位(wei)于电(dian)(dian)(dian)刷(shua)(shua)(shua)(shua)上(shang)表面(mian)的(de)(de)(de)第二凹槽(cao)内;接(jie)线柱上(shang)设置(zhi)有(you)焊线孔和(he)刷(shua)(shua)(shua)(shua)辫(bian),刷(shua)(shua)(shua)(shua)辫(bian)的(de)(de)(de)另一端(duan)与电(dian)(dian)(dian)刷(shua)(shua)(shua)(shua)连(lian)接(jie);本实用新(xin)型(xing)的(de)(de)(de)电(dian)(dian)(dian)刷(shua)(shua)(shua)(shua)箱(xiang)体(ti)(ti)组(zu)件,通过将铆钉(ding)和(he)接(jie)线柱苏雅到电(dian)(dian)(dian)刷(shua)(shua)(shua)(shua)箱(xiang)体(ti)(ti)中,提高了(le)(le)(le)电(dian)(dian)(dian)机的(de)(de)(de)连(lian)接(jie)可(ke)靠(kao)性,降低了(le)(le)(le)加(jia)工,装配环节的(de)(de)(de)风(feng)险,同(tong)时能够保证(zheng)电(dian)(dian)(dian)刷(shua)(shua)(shua)(shua)转(zhuan)动的(de)(de)(de)灵活(huo)性,避免(mian)了(le)(le)(le)电(dian)(dian)(dian)刷(shua)(shua)(shua)(shua)卡滞或被撕裂(lie),此外,也保证(zheng)了(le)(le)(le)电(dian)(dian)(dian)刷(shua)(shua)(shua)(shua)的(de)(de)(de)止(zhi)挡(dang)(dang)功(gong)能,避免(mian)对(dui)刷(shua)(shua)(shua)(shua)辫(bian)造(zao)成磨损(sun)。空心(xin)杯电(dian)(dian)(dian)机技术减小了(le)(le)(le)体(ti)(ti)积、减轻了(le)(le)(le)重量(liang)并减少了(le)(le)(le)发热量(liang)。

1.历史(shi)：1958年，德国(guo)的(de)(de)(de)（冯哈伯）研制(zhi)(zhi)出斜(xie)绕(rao)组(zu)(zu)线圈(quan)(quan)绕(rao)组(zu)(zu)技(ji)术(shu)，在1965年获得(de)空(kong)心(xin)杯(bei)(bei)电(dian)(dian)(dian)机(ji)(ji)(ji)(ji)转(zhuan)(zhuan)子(zi)(zi)(zi)线圈(quan)(quan)斜(xie)绕(rao)组(zu)(zu)专利技(ji)术(shu)。2.概念(nian)：属于直(zhi)流、永磁、伺服微(wei)特电(dian)(dian)(dian)机(ji)(ji)(ji)(ji)，同步(bu)电(dian)(dian)(dian)机(ji)(ji)(ji)(ji)，因(yin)为(wei)(wei)空(kong)心(xin)杯(bei)(bei)电(dian)(dian)(dian)机(ji)(ji)(ji)(ji)的(de)(de)(de)线圈(quan)(quan)做的(de)(de)(de)像个(ge)(ge)水(shui)杯(bei)(bei)，所以(yi)叫这个(ge)(ge)名字(zi)。3.组(zu)(zu)成：由(you)转(zhuan)(zhuan)子(zi)(zi)(zi)、定(ding)(ding)子(zi)(zi)(zi)、换向(xiang)器(qi)（无刷(shua)(shua)(shua)为(wei)(wei)换向(xiang)电(dian)(dian)(dian)路）、电(dian)(dian)(dian)刷(shua)(shua)(shua)（稀有(you)金属，无刷(shua)(shua)(shua)的(de)(de)(de)没(mei)有(you)）构成。4.线圈(quan)(quan)绕(rao)组(zu)(zu)方(fang)式：①斜(xie)绕(rao)组(zu)(zu)②叠绕(rao)组(zu)(zu)5.分(fen)类(lei)：①有(you)刷(shua)(shua)(shua)空(kong)心(xin)杯(bei)(bei)电(dian)(dian)(dian)机(ji)(ji)(ji)(ji)：转(zhuan)(zhuan)子(zi)(zi)(zi)无铁(tie)芯（转(zhuan)(zhuan)子(zi)(zi)(zi)是(shi)线圈(quan)(quan)，定(ding)(ding)子(zi)(zi)(zi)是(shi)永磁铁(tie)，一(yi)般用(yong)的(de)(de)(de)都是(shi)这个(ge)(ge)）。②无刷(shua)(shua)(shua)空(kong)心(xin)杯(bei)(bei)电(dian)(dian)(dian)机(ji)(ji)(ji)(ji)：定(ding)(ding)子(zi)(zi)(zi)无铁(tie)芯（定(ding)(ding)子(zi)(zi)(zi)是(shi)线圈(quan)(quan)，转(zhuan)(zhuan)子(zi)(zi)(zi)是(shi)永磁铁(tie)或叫磁钢（由(you)稀土永磁材(cai)料制(zhi)(zhi)成的(de)(de)(de)））。6.使用(yong)场景：①在一(yi)些飞行器(qi)上，如小(xiao)航(hang)模（体积小(xiao)，重(zhong)量(liang)轻，能(neng)耗低）、玩具车等。②民用(yong)电(dian)(dian)(dian)器(qi)上：电(dian)(dian)(dian)动(dong)牙刷(shua)(shua)(shua)、点钞机(ji)(ji)(ji)(ji)，打标(biao)机(ji)(ji)(ji)(ji)。③医疗器(qi)械上：如呼吸机(ji)(ji)(ji)(ji)、牙科(ke)仪器(qi)。7.使用(yong)寿命：无刷(shua)(shua)(shua)空(kong)心(xin)杯(bei)(bei)电(dian)(dian)(dian)机(ji)(ji)(ji)(ji)寿命较长（不故意损(sun)坏的(de)(de)(de)情(qing)况下(xia)，故意损(sun)坏什么也遭不住）8.优点：①因(yin)为(wei)(wei)没(mei)有(you)铁(tie)芯：1>所以(yi)没(mei)有(you)铁(tie)损(sun)，所以(yi)能(neng)量(liang)转(zhuan)(zhuan)换效率高(gao)，节(jie)能(neng)（能(neng)量(liang)转(zhuan)(zhuan)换利用(yong)率在80%以(yi)上，传统(tong)的(de)(de)(de)铁(tie)芯电(dian)(dian)(dian)动(dong)机(ji)(ji)(ji)(ji)在70%左右）。2>一(yi)般来说，线圈(quan)(quan)作为(wei)(wei)转(zhuan)(zhuan)子(zi)(zi)(zi)，转(zhuan)(zhuan)动(dong)惯量(liang)小(xiao)，好控制(zhi)(zhi)，响应极>转(zhuan)(zhuan)动(dong)波动(dong)小(xiao)，因(yin)为(wei)(wei)没(mei)有(you)了铁(tie)芯的(de)(de)(de)机(ji)(ji)(ji)(ji)械损(sun)耗，运(yun)行稳定(ding)(ding)性比较高(gao)，所以(yi)可以(yi)控制(zhi)(zhi)较为(wei)(wei)精密(mi)的(de)(de)(de)电(dian)(dian)(dian)器(qi)。空(kong)心(xin)杯(bei)(bei)电(dian)(dian)(dian)动(dong)机(ji)(ji)(ji)(ji)在推荐运(yun)行区域(yu)内(nei)的(de)(de)(de)高(gao)速运(yun)转(zhuan)(zhuan)状态下(xia)，可以(yi)方(fang)便(bian)地对转(zhuan)(zhuan)速进行灵敏(min)的(de)(de)(de)调节(jie)。绍兴外转(zhuan)(zhuan)子(zi)(zi)(zi)空(kong)心(xin)杯(bei)(bei)马(ma)达直(zhi)销

空(kong)心杯(bei)电(dian)机的结(jie)构组成为：后盖(gai)(gai)、接线(xian)端子(zi)(zi)、电(dian)刷端盖(gai)(gai)、电(dian)刷、换(huan)向器、杯(bei)形(xing)绕组（转子(zi)(zi)）等(deng)等(deng)。上(shang)海医疗空(kong)心杯(bei)马达(da)哪家好

国(guo)内开(kai)发(fa)的(de)(de)许多(duo)(duo)新产(chan)品，因电机(ji)(ji)(ji)性能不(bu)符合(he)要求(qiu)，其(qi)(qi)产(chan)品的(de)(de)整体(ti)水平(ping)始终与(yu)(yu)国(guo)外同(tong)类产(chan)品存(cun)在(zai)较大差距，限制了(le)很多(duo)(duo)产(chan)品的(de)(de)开(kai)发(fa)与(yu)(yu)发(fa)展(zhan)，比如(ru)医疗器械、义肢、机(ji)(ji)(ji)器人、摄像机(ji)(ji)(ji)、照(zhao)相机(ji)(ji)(ji)和(he)一些特殊领域，甚至在(zai)纺织(zhi)机(ji)(ji)(ji)械、激光测量(liang)仪器等方面(mian)都存(cun)在(zai)这(zhei)种现象(xiang)。但(dan)是(shi)，空(kong)心(xin)杯电动机(ji)(ji)(ji)的(de)(de)生(sheng)产(chan)，由于其(qi)(qi)工艺复杂，生(sheng)产(chan)自(zi)动化程(cheng)度远不(bu)如(ru)铁芯电动机(ji)(ji)(ji)，导(dao)致其(qi)(qi)生(sheng)产(chan)成本高，劳(lao)动力成本高，而且(qie)对操(cao)作者的(de)(de)技能水平(ping)要求(qiu)高。给大规模生(sheng)产(chan)带来很多(duo)(duo)困(kun)难(nan)和(he)限制。我国(guo)对空(kong)心(xin)杯电动机(ji)(ji)(ji)的(de)(de)开(kai)发(fa)研(yan)制工作已(yi)有(you)二三(san)十年(nian)的(de)(de)历史(shi)，但(dan)直到近年(nian)才得到了(le)较快发(fa)展(zhan)，不(bu)但(dan)在(zai)国(guo)内市(shi)场替代进口产(chan)品，而且(qie)已(yi)有(you)企业开(kai)始参与(yu)(yu)国(guo)际市(shi)场的(de)(de)竞争(zheng)。上海医疗空(kong)心(xin)杯马达哪家好

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