Sandaa桑多
sandn.沙;沙子;沙滩;黄灰色vt.撒沙;打磨;以沙掩盖
sand-haydite concrete陶粒混凝土
sand and dust treatment砂尘处理
sand-pile of Nitraria白刺沙堆
sand and gravel mixture砂砾石混合料
sand-blasting chamber[机] 喷砂室
sand-shell-mouldingn.砂型铸造
sand-gravel composite砂砾料
Sandaoling iron deposit三道岭铁矿
Sandra Farmer-Patrick法默尔-帕特里克
sandpapering with water水磨砂纸打光