隧道内的有害气体包括()①一氧化碳②氮氧化物③氮气④二氧化硫⑤丙烯醛⑥烟雾A、①②③

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问题:

隧道内的有害气体包括()

①一氧化碳

②氮氧化物

③氮气

④二氧化硫

⑤丙烯醛

⑥烟雾

A、①②③④⑤

B、①③④⑤⑥

C、①②③⑤⑥

D、①②④⑤⑥

考点:隧道工程隧道工程题库
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