Since oxygen is nonflammable but supports combustion, fire-fighting actions require shutting off the source of oxygen, if possible, then fighting the fire according to the material involved.
由于氧本身不可燃但支持燃烧，救火行动要求尽可能切断氧源，然后按照燃烧的材料来救火。
Dry - type transformers are completely nonflammable, using organic material such as epoxy resin.
干式变压器是完全不燃的，采用如环氧树脂这样的有机材料。
A nonflammable, sheet material.
是一种难燃的片状材料。
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