词语running block
解释传动滑车
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»
传动滑车running block详细»