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价格:560起
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产品规格:PVH131L16AF30A250000001AJ1AE010A
产品数量:100 个
包装说明:纸箱,木箱
关 键 词:威格士代理,威格士柱塞泵,柱塞泵
发布时间:2023-02-18
一级建造师二级建造师造价工程师监理工程师房地产估价师咨询工程师安全工程师造价员报名时间|证书领取|成绩查询|注册查询|准考证打印|历年真题|模拟试题|考试教材复习资料|经验分享|政策解析||报考条件|报名入口|考试科目|考试用书 一台履带起重机在试制过程中进行安全实验时发现:在进行超载或过仰作业时,操纵室内面板上的指示灯虽然已经报警,但各项操作却仍然可以继续进行,说明其安全保护装置的安全卸荷失灵。 一台新泻11FB型混凝土泵使用中出现泵送无力现象,此时压力表上的压力缓慢上升至最高压力的1/3后又缓慢下降到0。该泵车在混凝土泵送主液压缸的终端设有电气行程开关俗称舌簧管,主液压缸到位后的换向信号由行程开关控制,电信号通过电气控制系统传至主液压缸的换向柱塞泵实施换向;主液压缸的液压油压力由主安全阀控制。PVH131L12AF30A250000001002AA010A PVH131L12AF30A250000002001AB010A PVH131L12AF30B25200000100100010A PVH131L12AF30B252000001001AM010A PVH131L12AF30B252000001AD100010A PVH131L12AF30B252000001AD1BG010A PVH131L12AF30B252000001AJ100010A PVH131L12AF30B252000001AJ200010A PVH131L12AF30B252000001AM2AA010A PVH131L12AF30B252000001AY100010A PVH131L12AF30B282000001AD2AA010A PVH131L12AF30B482000001AA1AA010A PVH131L12AF30B502000001AJ1AA010A PVH131L12AF30E252004001AD2AA010A PVH131L12AF30E272015001AD2AA010A PVH131L12AF30K250000001AD100010A PVH131L12AJ30A250000002001AE010A PVH131L12AJ30B252000002001AA010A PVH131L13AF30A070000001001AB010A PVH131L13AF30A25000000100100010A PVH131L13AF30A250000001001AB010A PVH131L13AF30A25000000200100010A PVH131L13AF30A250000002001AB010A PVH131L13AF30B192000AK1001AA010A PVH131L13AF30B25200000100100010A PVH131L13AF30B252000001001AA010A PVH131L13AF30B252000001001AB010A PVH131L13AF30D250008001001AE010A PVH131L13AF30E132004AG1001AE010A PVH131L13AJ30A070000002001AE010A PVH131L16AF30A250000001AD100010A PVH131L16AF30A250000001AD1AE010A