正确答案: A

Grooves

题目：（） are formed by abrasive particles entering the bearing and scoring the shaft.

查看原题 查看所有试题

学习资料的答案和解析：

[单选题]每海里燃油消耗量是指船舶每航行1nmile动力装置所消耗的燃油总量，它考虑了（）.Ⅰ.动力装置本身的性能；Ⅱ.船舶的航行性能

Ⅰ，Ⅱ都对

[单选题]舵杆上（）的纵向裂纹可焊补修理。

长度＜1/4公称直径、深度＜10%公称直径

[单选题]Valve gear knocks are more easily located while the engine （）.

is running

[单选题]With respect to the flow of lubricating oil through a diesel engine, the lube oil coolers are located after filters in order to （）.

all of the above