题目内容

What does APR stand for?

Annual percentage rate
B. Average principle rate
C. Annual primary rate

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The _____ converts the rotation motion of the steering wheel into the straight-line motion

A. drag link
B. tie rod
C. Steering knuckle
D. Steering gear

An engine is mainly composed of two mechanisms and systems.

A. one
B. two
C. three
D. five

The intake stroke begins with the piston at the

A. BDC
B. MBC
C. TDC
D. CMP

Just before the bottom of power stroke, the exhaust valve.

A. ups
B. downs
C. closes
D. opens

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