shallow dissolving air flotation的用法和樣例：
例句
- Based on the shallow gas seismic features, we mapped the distribution of shallow gas in this region.
根據南黃海西部地區淺層氣地震特征，繪制了該區的淺層氣分布圖。 - After studying the cause of the shallow gas,this paper thought that the shallow gas surrounding Shanghai sea area was biogenic origin.
由研究結果認為上海周邊海域淺部地層中的淺層氣為生物成因氣。
