block and tackle〔名词〕滑车组详细»
block and tackle〔名词〕滑轮组详细»
block and tackle〔名词〕滑车组详细»
block and tackle〔名词〕滑车组详细»
block and tackle〔名词〕复滑车,滑车组详细»
block and tackle〔名词〕动、定组滑轮组详细»
block and tackle〔名词〕滑轮组详细»
复滑车sister block;tackle pulley详细»
复滑车double purchase;double whip详细»
复滑车block tackle;burton;tackle burton详细»