A.安全生產(chǎn)抽樣考核 B.安全生產(chǎn)綜合考核 C.安全生產(chǎn)動態(tài)考核 D.安全生產(chǎn)定期考核
A.3 B.6 C.12 D.18
A.22m B.23m C.24m D.25m