Sandag桑达格
sandn.沙;沙子;沙滩;黄灰色vt.撒沙;打磨;以沙掩盖
sandblast apparatus喷砂机
sand gravel geology砂卵石地质
sand-blast nozzle[机] 喷砂嘴
sand transportation输沙
sand pear cultivars砂梨品种
sand three sections沙三段
sand-cement grout水泥砂浆
sand-layered soil夹砂层土壤
sand road condition沙地
Sand-coloured ratn.黄柔毛鼠