back seal

常见例句

双语例句

• Pack with film, top seal, bottom seal and back seal by automatic bag making machine.
  包装材料用卷膜，机器自动制袋为上封、下封加背面封口。
• Pack with film, upper seal, lower seal and back seal by automatic bag making machine.
  包装材料用卷膜，机器自动制袋为上封、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.
  采用倒关双密封设计，可带压更换上密封组件，整体阀盖暗杆设计，结构紧凑。

权威例句

• 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 Church
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