![](https://static.youtibao.com/asksite/comm/h5/images/m_q_title.png)
[单选题]
《煤矿安全规程》规定,采煤机割煤时必须喷雾降尘,内喷雾工作压力不得小于(),外喷雾工作压力不得小于(),喷雾流量应当与机型相匹配。
A.0.5MPA,2MPA
B.2MPA,4MPA
C.1.5MPA,2MPA
查看答案
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.0.5MPA,2MPA
B.2MPA,4MPA
C.1.5MPA,2MPA
A . 停止采煤;
B . 超前支护;
C . 打锚固;
D . 尽快割煤。
A.2MPa,4MPa
B.2MPa,1.5MPa
C.4MPa,2MPa
A.每年
B.每半年
C.每季度