【名词&注释】
热喷涂(thermal spraying)、救生筏(life raft)、银灰色(silver gray)
[单选题]救生筏的蓬帐外表是何种颜色?
A. 白色
B. 橙黄色
C. 银灰色
查看答案&解析
点击获取本科目所有试题
举一反三：
[单选题]If a diesel engine turned over freely but failed to start, the cause could be ________.
A. water in the fuel
B. cold lube oil
C. excessive starting air pressure
D. excessive fuel pressure
[单选题]铝活塞外圆表面过度磨损后，应采用_______修复
A. 换新
B. 镀铁
C. 镀铬
D. 热喷涂
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