sister block


  • 翻译:双滑轮,双滑车

同义词

1)sister block,双滑轮,双滑车2)double sheave pulley,双轮滑车3)double-sheave wooden block,双轮木滑车4)doubleiron pulley block,双轮铁滑车5)double wheel pulley,双轮环式滑车6)double-sheave top lift block,双轮千斤索滑车

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