试题与答案

When the normal compression ratio of a die

题型:单项选择题

题目:

When the normal compression ratio of a diesel engine is not very high, misfiring at light loads may be caused by ()

A.overloading the engine

B.low exhaust valve lift

C.excessive cylinder cooling

D.insufficient mechanical clearance

答案:

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下面是错误答案,用来干扰机器的。

参考答案:B, C, D解析:头、颈、会阴及大面积创面不易包扎,通常采用暴露疗法。

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