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 sell mouldingn.砂型铸造
sandstorm activity沙尘暴活动
sand testing sieve[机] 试砂筛
sand lump breaking砂块破碎
sand-gravel pile砂砾桩
sand washing plant洗砂厂
Sandstroem's gland
sand cushion layer砂垫层
sand dust disaster沙尘灾害
sand disintegrator松砂机