正确答案: D
不允许任何渗漏
题目:轴承密封装置防蚀衬套进行水压试验时()。
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学习资料的答案和解析:
[单选题]水平装货的船舶,对机舱高度有一定要求,一般采用()柴油机动力装置。
中速机
[单选题]转舵不准,舵角不正可能是()。
舵杆变形
[单选题]The viscosity regulator controls the () of the fuel oil in order to provide the oil at the correct viscosity for combustion.
temperature
[单选题]Waterside scale in a fire-tube boiler may cause ().
overheated tube
[单选题]Any increase in the exhaust back pressure of a four-stroke/cycle diesel engine will ().
reduce engine horsepower output
[单选题]Please supply my vessel()120 tons of diesel oil.
with