In the （） pressure charging system the pulse of energy that occur as the exhaust is released from the cylinder to improve the output of the turbocharger.

时间：2019-04-14 07:36:00 关键词：of,pulse,energy

In the （） pressure charging system the pulse of energy that occur as the exhaust is released from the cylinder to improve the output of the turbocharger.

A.constant

B.pulse

C.high

D.none of the above

答案解析

B

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