sandhiadj.连接音变的n.连接音变
sandn.沙;沙子;沙滩;黄灰色vt.撒沙;打磨;以沙掩盖
sandwish circular cylindrical shell夹层圆柱壳
sand production petroleum reservoir出砂油藏
Sand storm dust water-soluble ion沙尘暴尘水溶性离子
sand slope consolidation techniques加固防护
sand control engineering vegetation治沙工程植被
Sandblast Technology of Solid Cages实体保持架的喷砂工艺
sand and gravel replacement filling砂石换填
sand control cementing straddle tool防砂及挤水泥对口皮碗工具