shallow gas浅层气
shallowadj.浅的;薄的n.浅滩;浅处v.变浅
shallow sea measurement positioning浅海测量定位
shallow depth hard overlying strata浅埋坚硬覆岩
shallow covered large-span tunnel浅埋大跨隧道
shallow pattern abdominal retractor浅式腹部牵开器
Shallowly experienced and incapable谫陋无能
shallow-embedding deep excavation浅埋暗挖
shallow seismic S-wave reflection浅层反射横波
shallow-buried large-span tunnel浅埋大跨隧道