Gear lubricants may congeal and channel in cold weather.
天气冷时齿轮
可能凝结而形成凹槽。
Gear lubricants may congeal and channel in cold weather.
天气冷时齿轮可能凝结而形成凹槽。
You put grease on a wheel to make it turn more easily.
把涂在轮子上使它转起来更零活一些。
Shell Aviation specially developed AeroShell Turbine Oil 555 lubricant for Rolls Royce for use in supersonic transport.
这种航空是壳牌航空为罗尔斯·罗易斯公司生产的超音速飞机发动机专门
制的。
Any knots, burn or obvious loosening and corrosion are not allowed.The wire rope should be covered with luboil.
不得有扭结、灼伤及明显的松散、腐蚀等缺陷,绳上应有脂.
Oil can reduce friction.
能减小摩擦力。
The role and application of hydrofinishing to lube oil processing were described. Having Compared with clay refining, the trend of development of lube oil hydrorefining technology was given.
论述了加氢补充精制在加工过程的作用及应用,对加氢补充精制与白土精制进行对比,提出加氢技术的发展方向.
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