Which of the following methods is normally used to lubricate bearings in a small high-speed diesel engine?()

时间:2019-04-14 04:23:12 关键词:is,methods,used

Which of the following methods is normally used to lubricate bearings in a small high-speed diesel engine?()

A.Splash lubrication

B.Pressure lubrication

C.Sight feed lubricators

D.Mechanical lubricator

答案解析

B