S 開頭單詞
sand source control area [經(jīng)濟(jì)學(xué)]沙源治理區(qū)
sand soil layer [土木建筑工程]砂土層
sand soil 砂質(zhì)土
sand slime separator [經(jīng)濟(jì)學(xué)]砂泥分離器
sand sheet 席狀砂；薄砂層；沙席；[地理] 小沙原
sand sediment trap cleaning [土木建筑工程]窨井清掏
sand sediment trap [經(jīng)濟(jì)學(xué)]沉沙槽
sand riverbed [水利工程]沙質(zhì)河床
sand quarry 采砂場(chǎng)
sand pump bucket dredger [交通運(yùn)輸工程]自揚(yáng)鏈斗挖泥船
sand pit 砂坑；采沙坑
sand pebble soil [土木建筑工程]砂卵石土
sand papering machine [經(jīng)濟(jì)學(xué)]砂紙加工機(jī)
sand paper [木] 砂紙