题目内容

发动机以最低稳定转速空转叫怠速。要求供给较浓的混合气()

A. 0.6―0.8
B. 0.9―1.11
C. 0.8―0.9
D. 1.1―1.2

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对公安工作的功过是非,要依靠各级党委和政府的检验和评价。()

A. 正确
B. 错误

It should be()that any maritime liens attaching to the ship at the time of her arrest have priority over the claim for which she was arrested.

A. noted
B. seen
C. watched
D. take

为什么说烧结过程是复杂的物理化学反应过程?

The function of damper windings in a synchronous motor is to ().

A. eliminate slippage
B. provide excitation
C. provide starting torque
D. increase efficiency

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