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常见例句
- 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，我國一直沿用傳統的鑛山統計法和瓦斯含量法來預測鑛井瓦斯湧出量，這兩種預測方法都有各自的適用條件和侷限性。 返回 firedamp content