滑轮的英文怎么说
滑轮的英文: A pulley or a system of pulleys set in a casing. The pulley of the clothes line jumped the track and Mother's washing fell down. The engineers worked out the Math and designed a system of nylon ropes and pulleys. Levers and pulleys are simple machines. Pass the rope over the pulley. The pulley is considered one of the five simple machines. seize together, as of parallel ropes of a tackle in order to prevent running through the block. The lifting device is a system of ropes and pulleys. In high school we learned a lot of laws about pulleys and levers used in different ways When we were kids, he once rigged up a jungle gym out of wheels and pulleys. n. 链,束缚,连锁 v. 用锁链拴住,束缚,囚禁 a chain of supermarkets/a supermarket chain a chain of mountains/a mountain chain Chains of gold are stronger than chains of iron n. 轮,转向盘,推动力,控制力,机构,旋转,掌权者 v. 改变主意,使转弯,盘旋,引来 There axe wheels within wheels. Fly on the wheel The wheels screwed. 滑轮 |