Sandoz山度士牌手表
sandn.沙;沙子;沙滩;黄灰色vt.撒沙;打磨;以沙掩盖
sand-flash valve排砂阀
sand water content沙土含水量
sand and dust test沙尘试验
Sandaohe Reservoir三道河水库
sand-oil blender混砂器
sand body boundary砂体边界
sand-dust storms沙尘暴
sand carrying rate携砂率
sandbox experiment沙箱实验
sand sediment trap沉沙槽,沉沙井