block and tackle〔名词〕复滑车详细»
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»
滑轮组block and falls;group of pulleys;pulley block;teagle详细»
滑轮组block and falls;block and tackle;block pulley;pulley block;sheave block详细»