正确答案: C

焊补

题目：艉轴铜套过度磨损时不允许采用（）修复。

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学习资料的答案和解析：

[单选题]当铁梨木艉轴承产生裂纹或开裂时，可采用（）方法修理。

换新或局部换新

[单选题]Which of the following may cause that an engine doesnt run on starting air?（）

A and B

[单选题]In a large, slow-speed, main propulsion diesel engine, which of the parts listed is under tension when the engine is running?（）

Tie rod

[单选题]A fuel-air mixture below the lower explosive limit is too（）.

lean to burn