A.對(duì)輸送毒性介質(zhì)的管道,應(yīng)進(jìn)行置換、中和、消毒、清洗,嚴(yán)禁用空氣置換
B.對(duì)輸送易燃介質(zhì)的管道,應(yīng)進(jìn)行置換、中和、消毒、清洗,嚴(yán)禁用空氣置換
C.對(duì)輸送助燃介質(zhì)的管道,應(yīng)進(jìn)行置換、中和、消毒、清洗,嚴(yán)禁用空氣置換
D.對(duì)輸送窒息性介質(zhì)的管道,應(yīng)進(jìn)行置換、中和、消毒、清洗,嚴(yán)禁用空氣置換