pulley block
... hazardous atmosphere危险环境 head block assembly定滑轮组 head dome insulation顶盖球冠保温层 ...
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变幅定滑轮组 Amplitude fixed pulley ; Change fixed pulley ; Variable amplitude fixed pulley
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钢丝绳的线头各自通过安装在井架上的定滑轮组，又各自连接到吊笼上。
The ends of the wire ropes are respectively connected on suspension cages through fixed pulley blocks respectively installed on a headframe.
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