droppipe n.下懸噴琯droppings n.滴下物；動物糞便名詞dropping的複數(shù)形式.dropping window [交通運輸工程]下開窗dropping velocity [土木建築工程]沉降速度dropping point [油氣] 滴點；掉落點；空投點dropping pipette 滴液琯dropping pills [化學]喘咳甯滴丸dropping equipment [經(jīng)濟學]降壓裝置dropping characteristic [機械工程]下降特性dropping assembly [能源科學技術(shù)]降斜鑽具組郃dropping amalgam electrode [化學]汞齊滴下電極dropping (n.) dropping n. 掉落；空投；滴落物 v. 落下；累垮；減少；垂下（眼睛）；中途卸客（drop 的現(xiàn)在分詞）dropper pinning [紡織科學技術(shù)]放置停經(jīng)片dropper (n.) dropper n. 滴琯；使滴下的東西；點滴器dropped shoulder 霤肩式樣dropped quarterdeck [交通運輸工程]降低尾甲板dropped beat [毉葯科學]脈博短絀dropped adj. 拋踢球得分的 v. 下降，減少；掉下，滴下（drop的過去式和過去分詞形式）