对密封油油气压差理解正确的是（）。 A.进密封油压大于参考气压_爱下问搜题

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问题单项选择题

对密封油油气压差理解正确的是（）。

A.进密封油压大于参考气压力

B.参考气压力大于进密封油压力

C.参考气压力等于进密封油压力

D.以上都有可能

答案

参考答案：A

选择题

-- Your dress is wonderful!

– ________

A．You are right, thank you.

B．Thank you, and you?

C．Thank you. I’m glad to hear that.

D．No, yours is better.

选择题

I wanted some more cold meat but there was _____ left. [ ]

A. none

B. no one

C. any

D. some