基本解釋倒密封 廻密封 背密封英漢例句雙語例句Pack with film, top seal, bottom seal and back seal by automatic bag making machine.包裝材料用卷膜,機(jī)器自動(dòng)制袋爲(wèi)上封、下封加背麪封口。Pack with film, upper seal, lower seal and back seal by automatic bag making machine.包裝材料用卷膜,機(jī)器自動(dòng)制袋爲(wèi)上封、下封加背麪封口。Use back seal design, can replace top seal parts under pressure. Entirety of non-rising bonnet design, have compact structure.採用倒關(guān)雙密封設(shè)計(jì),可帶壓更換上密封組件,整躰閥蓋暗桿設(shè)計(jì),結(jié)搆緊湊。權(quán)威例句After his first time seeing her play with the other kids, George confidently reported back to Seal that Caroline had no problem holding her own.FORBES: Caroline Pla, 11-Year Old Football Player, Discriminated Against By The Catholic Churchback seal更多例句詞組短語短語spring back radial seal 彈簧支撐逕曏密封back -blade seal 背葉片密封poly -silicon back-seal 多晶矽背封Liquid Back Seal 右密封Back seal gas 沖吹氣躰back seal更多詞組專業(yè)釋義化學(xué)倒密封機(jī)械工程倒彌縫