词语传动滑车
解释running block
running block传动滑车详细»
running block〔名词〕动滑车详细»
running block〔名词〕传动滑车详细»
running block〔名词〕移动滑车详细»
running block动滑车,动滑轮详细»
传动滑车〔名词〕running block详细»