shallow gas浅层气shallowadj.浅的；薄的n.浅滩；浅处v.变浅shallow sea bottom gravity survey浅海重力测量Shallow Water Mine Countermeasures浅水反雷措施shallow knowledge and small talent才学浅陋Shallow embedded and mining tunnel浅埋暗挖隧道Shallow-marine detrital deposits浅海相碎屑沉积shallow seismic reflection profile浅层地震反射剖面shallow tunnel construction method浅埋暗挖Shallow buried-tunnelling method浅埋暗挖shallow buried-partially pressed浅埋偏压shallow smooth blasting technology浅孔光爆技术