A、generators
B、oil drums
C、the bridge
D、combustible metals
更多“A portable foam (stored-pressure type) fire extinguisher would be most useful in combating a fire in（）.”相关的问题
A、increases the size of foam bubbles formed B、increases the rate of foam production C、improves the extinguishing properties of foam D、gives the nozzleman more freedom of movement，since it can be placed anywhere in the hose line
A、turning it upside down B、pressing the foam lever C、squeezing the grip handle D、opening the hose valve
A、25D失电→STO获电→25C获电 B、STO获电→25D失电→STO失电→25C获电 C、25C获电→25D失电→STO获电 D、25C获电→STO获电→25D失电→STO失电
A、Dry chemical and carbon dioxide B、Foam (stored pressure) and soda-acid C、Carbon dioxide and foam (stored pressure) D、Dry chemical and soda-acid
A、dry powder extinguisher B、foam extinguisher C、CO2 extinguisher D、portable extinguisher
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