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,usedWhich 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
举一反三