常見(jiàn)例句Some machines use powderless filters which are capable of removing soil particles greater than 30 micrometers. 某些機(jī)器使用powderless過(guò)濾器,其中有能力清除土壤顆粒大于30微米。Law is a powderless pit. 全國(guó)律法是無(wú)底的深淵。high-speed powderless etching machine 高速無(wú)粉腐蝕機(jī)J.W.Bradley, P.F.Borth, “Composition and process for powderless etching”, U.S.Patent 3161552,1964。 張啟達(dá)、楊萬(wàn)發(fā),冷卻結(jié)晶系統(tǒng)回收處理硫酸/雙氧水型微蝕液之技術(shù)與案例,環(huán)保資訊,42-48,1997。96.Law is a powderless pit. 全國(guó)律法是無(wú)底的深淵。 返回 powderless