In drilling an oil well, mud is used to lubricate the cutting bit.钻油井时, 泥浆被用来润滑钻头.Lubricate adjuster screw threads and pivot with spray lube.使用喷雾润滑油润滑调整器螺丝螺纹和枢轴.You should lubricate the wheels of your bicycle once a mont...
Mineral oils are used to lubricate machinery.矿物油被用来润滑机器。Do not use emollients or oils to lubricate the skin.不要用润肤剂或油类来润滑皮肤。You should lubricate the wheels of your bicycle once a month.你应该每个月给自行车轮子加一次润滑油....
In social politics, too, the city's contribution to 20th century thought and culture was no less portentous...同样从社会政治学上看，城市对20世纪思想、文化的贡献也意义重大。This is Chekhov's contribution to Russian literature.这是契诃夫对俄罗斯文学的贡献。...
他们应该侧重于修整现有的绿化植被，比如草和灌木。They should concentrate on rejuvenating the existing vegetation, like grass and shrubs.一条条新路在逐渐吞噬着绿化地带。New roads are cutting into the green belt.他的公司去年3月接管了公园的绿化和日常维护工作。His firm took over the plan...