shallow dissolving air flotation的用法和样例：
例句
- Based on the shallow gas seismic features, we mapped the distribution of shallow gas in this region.
根据南黄海西部地区浅层气地震特征，绘制了该区的浅层气分布图。 - After studying the cause of the shallow gas,this paper thought that the shallow gas surrounding Shanghai sea area was biogenic origin.
由研究结果认为上海周边海域浅部地层中的浅层气为生物成因气。
