Sandig桑迪希sandn.沙；沙子；沙滩；黄灰色vt.撒沙；打磨；以沙掩盖sand box simulation沙箱模拟sand bedding course砂垫层sand-conglomerate砂砾岩体sand body framework砂体骨架sand-fixing plant固沙植物sand-pack profile充填砂层剖面sand-suction hose吸砂胶管sand feeding device加砂装置Sand-body's typessandblast texturing喷砂毛化