block and falls是什么意思、英文翻译及中文解释
block and falls
词语： block and falls
解释： 滑轮组
词性： 名词
词典： 水利专业英汉词典
block and falls 相关解释
block and falls 〔名词〕滑轮组
滑轮组 sheave block
滑轮组 block and tackle;pulley block
滑轮组 block and falls;group of pulleys;pulley block;teagle
滑轮组 block and tackle
滑轮组 block and falls;block and tackle;block pulley;pulley block;sheave block
