正确答案: A
液压拉伸器内部的密封环损坏漏油
题目:在用液压拉伸器检查底脚螺栓的松紧度时,底脚螺栓螺帽附近的机座平面(用于支撑拉伸器的平面)一定要清洁干净,否则可能导致()。
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学习资料的答案和解析:
[单选题]A thrust block is designed to().
transmit the thrust of the propeller to the vessel
[单选题]What is the purpose of the intake/exhaust valves in a diesel engine? ()
They regulate the combustion cycle