shallow gas浅层气
shallowadj.浅的;薄的n.浅滩;浅处v.变浅
shallow tunnel under unsymmetrical pressure浅埋偏压隧道
shallow buried undergrond excavation method浅埋暗挖法
shallow tank flotation wastewater treatment浅池气浮净水
shallow drilling-boring-milling machine浅孔钻铣镗床
shallow foundation and eccentric compression浅埋偏压
shallow buried cylindrical elastic inclusion浅埋圆柱形弹性夹杂
shallow water multibeam bathymetric sounding浅水多波束测深
Shallowly Discusses the Ecology Civilization简论生态文明