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采矿时喷发的爆炸气体实际成分没法准确定论、这就是说、像甲烷这种有严重潜在危害的温室气体没法准确量化
expl.
The actual make-up of detonation gases emitted on mines cannot be accurately determined and this means that potentially powerful GHGs like CH₄ cannot be quantified with any certainty
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