If the flammable gas supply cannot be shut off, the continued escape of unburned gas can create an explosive mixture in the air.
如果易燃气体供应无法切断，不断逸出的未燃气体会在空气中形成爆炸性混合物。
If the flammable gas supply cannot be shut off, the continued escape of unburned gas can create an explosive mixture in the air.
如果易燃气体供应无法切断，不断逸出的未燃气体会在空气中形成爆炸性混合物。
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