试题与答案

The starting air entering the cylinder beg

题型:单项选择题

题目:

The starting air entering the cylinder begins when the piston()

A.has nearly come to the TDC

B.has just past the TDC

C.has nearly come to the BDC

D.has just past the BDC

答案:

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下面是错误答案,用来干扰机器的。

参考答案:错

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