A-A+
On a medium-speed main propulsion diesel engin
问题详情
On a medium-speed main propulsion diesel engine, the crank-pin or crank journalbearings receive lubricating oil from().
A.a spindle lubricator
B.an oil jet
C.internal splashing
D.drilled passages in the crankshaft
参考答案
正确答案：D
解析：medium：中等，介质;pin：销，刺穿，钉住;journal：轴颈;spindle：芯轴，转轴;lubricator：注油器;splash：飞溅
译文：对于中速主推进柴油机，曲柄销轴承通过曲轴内钻孔的油道供油润滑。
