A.1:100 B.1:75 C.1:50 D.1:20
A.監(jiān)管機(jī)制、體制機(jī)構(gòu)不夠健全B.相關(guān)法律法規(guī)不盡完善C.公共衛(wèi)生應(yīng)急體系不健全D.安全生產(chǎn)基礎(chǔ)仍相對(duì)薄弱
A.性能B.技術(shù)C.特點(diǎn)D.都不對(duì)