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...
Feminization in enws is a notable phenomenon during the period of post - modernization .[中英文摘要]新闻“女性化”是引人注目的后 现代主义 现象.METHODS Cilnidipine was synthesized from cinnamyl alcohol by esterification, feminization and condensa...
Some peoples mouths open. Others faces contort.有些人嘴巴张开, 另一些人面部扭曲.The gentlest of her caresses would contort his already tense body.她最温柔的爱抚会让他已然紧绷的身体变得扭曲。The gentlest of her caresses would contort his already tense body.....
铁路轨道中的支撑接头令轨枕直接置于轨端之下.Supported joints in a railroad track have ties directly under the rail ends.介绍了混凝土轨枕伤损的类型及其原因, 并推出了一种适合混凝土轨枕线路特点的养护作业方法.Though the analysis of the concrete track cross tie dehiscence, a new maintain...
润滑作用能减少噪音和磨损.Lubrication reduces noise and wear.齿轮必须适当地加油润滑.Gear must be properly lubricated.芦荟用于润肤霜中，使之具有美妙的丝般润滑感。Aloe Vera is used in moisturisers to give them a wonderfully silky texture....