The hazard around the engine in operation include inlet suction, exhaust heat, exhaust velocity, and

The hazard around the engine in operation include inlet suction, exhaust heat, exhaust velocity, and noise.

A.发动机运转时周围的危险包括进气、排气热量、排气速度和噪音。

B.发动机运转时周围的危险不包括进气、排气热量、排气速度和噪音。

C.发动机运转时周围的危险包括进气、排气热量、排气速度、噪音和尾气。

D.发动机运转时周围的危险不包括进气、排气热量、排气速度、噪音和尾气。

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