firedamp content
常見例句
- The methods based on the old statistics and firedamp content have been used to predict the gas emission in China, yet it was unsuitable and inaccurate in some special conditions.
長期以來，我國一直沿用傳統(tǒng)的礦山統(tǒng)計(jì)法和瓦斯含量法來預(yù)測礦井瓦斯涌出量，這兩種預(yù)測方法都有各自的適用條件和局限性。 返回 firedamp content