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Fall Block

1、升降滑车

升降滑车

2、动滑轮

...fall behind ==> 落后fall block ==> 动滑轮,动索滑车,活动滑车fall cloud ==> 下降云 ...

fall rope block吊索滑车

fall-block动索滑车;带绳滑轮;卷帆滑车

boat fall block吊艇滑车

Block & Fall Cocktail滑道与绳索

block and fall滑车

交通运输工程

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