正确答案: A
it is dirty
题目:Increasing differential pressure of an oil filter indicates that ()
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学习资料的答案和解析:
[单选题]废气锅炉烟道温度在1100℃以上时可能发生()。
铸铁着火
[单选题]In a general oil cooler circulated by sea water, the oil is at a higher pressure, the result being that any leak in the cooler will mean a loss of ().
oil