![](https://static.youtibao.com/asksite/comm/h5/images/m_q_title.png)
[主观题]
正压式空气呼吸器在使用前应检查气瓶中空气的储存压力,气瓶开关完全打开后,气瓶合格储存压力应在()MPa
A.18~20MPa
B.10~30MPa
C.35~50MPa
D.28~30MPa
暂无答案
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.18~20MPa
B.10~30MPa
C.35~50MPa
D.28~30MPa
A.12-24
B.20-25
C.28-30
D.30-35
A.2MPa
B.3MPa
C.4MPa
D.5MPa
A.0.5MPa
B.0.6MPa
C.0.7MPa
D.0.8MPa
A.24~30MPa
B.27~30MPa
C.27~35MPa
D.28~35MPa