基本解釋倒密封 回密封 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，機器自動制袋為上封、下封加背面封口。Pack with film, upper seal, lower seal and back seal by automatic bag making machine.包裝材料用卷膜，機器自動制袋為上封、下封加背面封口。Use back seal design, can replace top seal parts under pressure. Entirety of non-rising bonnet design, have compact structure.采用倒關雙密封設計，可帶壓更換上密封組件，整體閥蓋暗桿設計，結構緊湊。權威例句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 彈簧支撐徑向密封back -blade seal 背葉片密封poly -silicon back-seal 多晶硅背封Liquid Back Seal 右密封Back seal gas 沖吹氣體back seal更多詞組專業(yè)釋義化學倒密封機械工程倒彌縫