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