起重滑车
qǐ zhònɡ huá chē
- 名hoisting tackle;lifting block;purchase tackle
起重滑车-
吊架起重滑车是小型起重机械的一种。
Hanger crane lifting pulley is a small one .
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GB13308-1998起重滑车安全要求
Safety requirement for lifting pulley blocks
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主要生产热轧滑轮、吊钩总成、起重滑车和其它起重机械零部件。
It is a professional company that mainly produces hot pressing sheave , lifting trochlea and other lifting mechanical accessories .
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提起并移动重物；起重滑车悬挂在围绕垂直轴旋转的转动吊杆上面。
Lifts and moves heavy objects ; lifting tackle is suspended from a pivoted boom that rotates around a vertical axis .
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起重设备、起重工具、滑车组是否具有有效负载试验证书？是否完好？
Whether lifting equipments , tools , tackles are having valid load test certificate & are in good condition ?