正确答案: C
the cylinder lubricators
题目:Before starting the turning gear, () should be worked by hand to minimize corrosive action on the liners.
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学习资料的答案和解析:
[单选题]中间轴常见的失效形式有()。
A.磨损
[单选题]The efficiency of turbocharge system is increased by fitting a charge air cooler () the compressor.
after