更换发动机
In view of the present situation in this respect in China, how to rationally change engine oil in heavy duty trucks is discussed in this paper.───针对我国重型汽车发动机更换在用润滑油过程中存在着不尽合理的现状，本文讨论了重型汽车发动机如何合理更换润滑油的问题。
How long does it take to change engine from ahead to astern?───到后退的转换需要花费多长时间？
pace of change relating to search engine optimization - or SEO as it's often called - can be dizzying.───搜索引擎优化(seo)的变化速度令人目眩。
Change engine oil amount regulating mechanism, the speed regulation to the specified speed range is called the governor for diesel engine.───改变柴油机的油量调节机构，使其转速调节到规定的转速范围内就称柴油机调速。
The workspace is big, can change engine and wave case on the bay .───工作空间较大，可在梁架间更换引擎及波箱作业。
How long does it take to change engine from ahead to astern?───从前进到后退的转换需要花费多长时间？
change ringing───交换环
change machine───零钱兑换机；找零钱机
change-ringing───交换环
Wankel engine───n.转子活塞发动机；[动力]汪克尔发动机；回转式内燃引擎
bank engine───尾部补机
car engine───汽车发动机
change point───变异点；转变点