The pistons are graphite-coated to reduce friction.活塞上涂了一层石墨以减小摩擦力。the coefficient of friction摩擦系数When Joan returned to work, the friction between them increased.琼回来工作后, 他们之间的摩擦加剧了....
It did not furnish an explantation for the heat generated by friction.它未能圆满地解释因摩擦而产生的热.kinetic friction动磨擦In order to assess the friction of lubricants on multifilament yarns , finish - free yarns are required.为了评定润滑剂对复丝...
I'm looking for 83 Wooster Street.我想找wooster街83号.Make another left to Wooster.再向左转就到了wooster街了.Then walk to the traffic light . Make another left to Wooster.然后再走到交通灯处,再往左转就到了....
请将这些信件投邮.Please take these letters to the post.将十封分属十个信封的信打乱,任意装进信封,并随便投邮.Ten letters that belong in 10 particular envelopes are scrambled and stuffed and mailed at random.使用投邮的办法必须在任何情况下是合理的.It must be reasonable in all...