shallowadj.浅的;薄的n.浅滩;浅处v.变浅
shallow goaf浅采空区
shallow slot浅槽
shallow beam浅梁
shallow muck浅淤泥层
shallow bowl浅浮槽
shallow lift薄层
shallow pool浅水池
shallow bias浅埋偏压
shallow silo浅圆仓
shallow flow坡面流