短語詞組短語gas washing bottle 氣躰洗瓶;洗氣瓶gas generating bottle 氣躰發(fā)生瓶Bunsen gas -bottle 本生洗氣瓶gas collecting bottle 集氣瓶gas blanketing bottle 氣瓶gas drying bottle 氣躰乾燥瓶Bu en gas -bottle 本生洗氣瓶liquified petroleum gas steel bottle 液化石油氣鋼瓶gas s bottle necking -in machine 氣瓶收口機 返回 gas bottle