A.0.1~0.2Mpa B.0.2~0.4Mpa C.0.5~0.6MPa D.0.7~0.9MPa
A.安排 B.布置 C.监督检查 D.处理
A.2 B.3 C.4 D.5
A.70%B.85%C.90%D.100%
A.1 B.2 C.3 D.4