由于氮不可燃，不需要特殊的救火设备和指导。
Since nitrogen is nonflammable, special firefighting equipment and instructions are not needed.
你们的救火水龙带和救火设备是否预备好可紧急使用？
Have you got ready the fire hose and fire equipment for emergency?
这就像镇上救火部门派出去立即扑灭多处猛烈的大火，但与此同时需要为灭火设备筹集资金。
It is as though the town fire departments were being dispatched to put out fires raging in several places at once while a collection was being taken to raise money for the fire-fighting equipment.
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