block and tackle
block and tackle怎么读,什么意思。滑车组...
【机】 滑车组
在线英汉词典
block and tackle的短语、例句:
block and tackle lifting device consisting of ropes and pulleys 滑轮组(有缆绳和滑轮的起重装置).
在线英汉词典
block and tackle的短语、例句:
block and tackle lifting device consisting of ropes and pulleys 滑轮组(有缆绳和滑轮的起重装置).
交流互动
发表言论