Which of the following words is 循环扫气?
A. Cross scavenging.
B. Loop scavenging.
C. Uniflow scavenging.
D. Mix scavenging.
查看答案
Which of the following words is 单流扫气?
A. Cross scavenging.
B. Loop scavenging.
C. Uniflow scavenging.
D. Mix scavenging.
Which of the following words is 交叉扫气?
A. Cross scavenging.
B. Loop scavenging.
C. Uniflow scavenging.
D. Mix scavenging.
我查过日志了。
A. I have looked around our engine room.
B. I have looked our engine room.
C. I’ve looked through the logbook.
D. Please take care of our engine room logbook.
活塞头磨损。
A. The piston head is broken up.
B. The piston head is worn out.
C. The piston head needs to be repaired.
D. The piston head is put here.
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