A.鉀遇水著火 B.高溫加熱 C.磷燃燒 D.靜電火花
A.蒸汽燃燒及爆炸 B.容器爆炸 C.泄露產(chǎn)生過流淌火 D.沸溢和噴濺
A.3s B.10s C.5s D.8s
A.30 B.60 C.90 D.180
A.30 B.40 C.50 D.60
A.22 B.25 C.28 D.30