矿井井下工人佩戴的自救器应选用过滤式自救器。
参考答案:错
There shall be()into sleeping rooms from cargo and machinery spaces or from galleys,storerooms,drying rooms or communal sanitary areas.
A.no direct openings
B.direct openings
C.no more than one direct opening
D.up to one direct opening
新《煤矿安全规程》强化()意识、体现安全发展理念。
A.管理
B.红线
C.培训