自动喷水系统系统做水压强度试验，当达到试验压力后应稳压()；且压力降不应大于()
A.30min，0.05MPa B.24h，0.01MPa C.24h，0.05MPa D.30min，0.0lMPa正确答案A
自动喷水系统系统做水压强度试验，当达到试验压力后应稳压()；且压力降不应大于()
A.30min，0.05MPa B.24h，0.01MPa C.24h，0.05MPa D.30min，0.0lMPa正确答案A
