Sanden桑登
sandn.沙;沙子;沙滩;黄灰色vt.撒沙;打磨;以沙掩盖
sand conditioning equipment旧砂处理设备
sand indented by footprints留有脚印凹痕的沙土
Sand prevention and control防沙治沙
sand consolidation measures固沙措施
sand filling and compacting充填和紧实
sand layer shear experiment砂层抗剪
sand-cast aluminium alloy砂型铸造铝合金
sand coarse aggregate ratio砂石比
Sandu Sui Autonomous County三都水族自治县