题目内容

曲柄连杆机构属于以下哪一部分的机构()

A. 车身
B. 电气设备
C. 发动机

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()isanindicationthattheweatherisabouttoclear.

A. Risingclouds
B. Loweringclouds
C. Thickeningclouds
D. Scatteringclouds

Altostandsfor().

A. rain
B. high
C. layer
D. cirrus

Nimbusmeans().

A. rain
B. high
C. layer
D. cirrus

()maybeawarningforanapproachingstorm.

A. Thepersenceofcirrusclouds
B. Thelow-hangingstratusclouds
C. Thealtocumulusclouds
D. Themassivecumulusclouds

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