欧洲杯外围

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  • 24
    2019-03

    吊车起重机的液压系统之五,支腿机构

    DIAOCHEQIZHONGJIDEYEYAXITONGZHIWU,ZHITUIJIGOU    DUIYUDAIYOUZHITUIDELIUDONGSHIQIZHONGJI,ZHITUIJIGOUSHIXIACHEZHUYAOGONGZUOJIGOUZHIYI。ZAIYEYACHUAN ...

  • 23
    2019-03

    吊车起重机的液压系统之四,伸缩机构

    欧洲杯外围DIAOCHEQIZHONGJIDEYEYAXITONGZHISI,SHENSUOJIGOU    SHENSUOJIGOUSHICAIYONGSHENSUOSHIQIZHONGBEIDELIUDONGSHIQIZHONGJISUOTEYOUDEJIGOU。QIZUOYONGSHIGAIBIANSHEN ...

  • 22
    2019-03

    吊车起重机的液压系统之三,变幅机构

    DIAOCHEQIZHONGJIDEYEYAXITONGZHISAN,BIANFUJIGOU    BIANFUJIGOUSHIGAIBIANQIZHONGJIGONGZUOBANJINGDEJIGOU,TAKUODALEQIZHONGJIDEGONGZUOFANWEI。YOULIYU ...

  • 19
    2019-03

    吊车起重机的液压系统之一,起升机构

    欧洲杯外围DIAOCHEQIZHONGJIDEYEYAXITONGZHIYI,QISHENGJIGOU    QISHENGJIGOUSHIQIZHONGJIZUIZHUYAOZUIJIBENDEGONGZUOJIGOU。TAZHUYAOYOUQUDONGZHUANGZHI、JIANSUJI、ZHI ...

  • 19
    2019-03

    “二建”注册证书电子化,试点再扩大,正在进行中!

    2019NIAN3YUE5RI,ZHUJIANBUGUANWANGGONGBUFUHAN,TONGYIFUJIANSHENGKAIZHANERJIJIANZAOSHIZHUCEZHENGSHUDIANZIHUASHIDIAN。ZHEISHIZHUJIANBUTONGYIDEDI8GEERJIANZHUCEZHENGSHUDIANZIHUASHIDIANDIQU。JINNIAN,YUELAIYUEDUODE ...

  • 17
    2019-03

    起重机失灵故障应对办法,一般怎么解决

        RENMENCHANGSHUOJIHUAGANBUSHANGBIANHUA,QIZHONGJICHANGJIAZAISHEJIYUYANFAQIZHONGJISHIKAOLVGUOGEZHONGGEYANGDEGUZHANGJIGEZHONGBULIANGYINSU,BINGJIAYIGAILIANGYUWANSHAN;DANSHIWOMENZAINADAO ...

  • 14
    2019-03

    起重机械主要液压系统的功能与要求

    欧洲杯外围QIZHONGJIXIEZHUYAOYEYAXITONGDEGONGNENGYUYAOQIU    YEYACHUANDONGSHIXIANDAIQIZHONGJIXIEGUANGFANCAIYONGDECHUANDONGFANGSHI。ZHUYAOYINGYONGYUQICHEQIZHONGJI,LUNTAIQI ...

  • 13
    2019-03

    起重机械主要电气保护系统的功能与要求

    欧洲杯外围QIZHONGJIXIEZHUYAODIANQIBAOHUXITONGDEGONGNENGYUYAOQIUWEILEBAOHUDIANQISHEBEIJIGONGZUORENYUANDEANQUAN,QIZHONGJIDIANQIKONGZHIXITONGDOUYAOSHEZHIBIYAODEDIANQIBAOHUCUOSHI,YIBANYOUZHUGELIKAIGUAN,DUANLUBAOHUHESHIYABAO ...

  • 12
    2019-03

    起重机保护系统之隔离开关及其特点

    QIZHONGJIBAOHUXITONGZHIGELIKAIGUAN    GELIKAIGUAN(SUCHENG“DAOZHA”),YIBANZHIDESHIGAOYAGELIKAIGUAN,JIEDINGDIANYAZAI1kVJIQIYISHANGDE ...

  • 11
    2019-03

    起重机保护系统之短路保护

    欧洲杯外围QIZHONGJIBAOHUXITONGZHIDUANLUBAOHU    QIZHONGJISHANGDIANQISHEBEIDEJUEYUANPOHUAI,FASHENGPENGQIAOHUOXIANGJIANDUANLUSHI,YINGXUNSUDONGZUOQIEDUANGUZHANGDIANYUAN。ZONGDIAN ...

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