A.50PPm B.100PPm C.150PPm D.200PPm
A.10MPa B.20MPa C.25MPa D.35MPa
A.應(yīng)急防范演練;概算 B.應(yīng)急預(yù)案演練;合同之中 C.井控防噴演練;預(yù)算 D.井控防噴演習(xí);合同之中