Sandetn.桑讷特(在丹麦；东经 8º52' 北纬 55º55')sandn.沙；沙子；沙滩；黄灰色vt.撒沙；打磨；以沙掩盖sandaracopimaric acid山达海松酸sand-binding effect防沙效应sand and dust blowing沙尘暴sandblasting abrasive喷砂磨料sand-bed filtration砂床滤失量sand- control agent防砂剂sand-blast apparatus喷砂机sand and gravel filter砂砾石过滤器sand blast rubber hose喷砂橡胶管sand-blast equipment[机] 喷砂设备