正确答案: C

Whose

题目：_________ spanner is this?

解析：C

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学习资料的答案和解析：

[单选题]While on watch in the engine room, you hear a continuous sounding of the general alarm. Which of the following actions should you take?

Start the fire pump and check discharge pressure

[单选题]A two stroke diesel engine exhaust temperature will be lower than a four stroke diesel engine of the same displacement because the _____. ① MEP is lower and the scavenging air is cooling the exhaust gases ② valve overlap in a four stroke

①

[单选题]某海图的比例尺为1：250，000，则图上0．2mm的长度相当于实际长度：()

50m