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back seal

  • 倒密封
  • 回密封
  • 背密封

双语例句

  1. 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。
  2. Once you've broken the seal of a bottle there's no way you can put it back together again.
    一旦你撕开瓶子的封口,就没法将它重新合上。
    来自《柯林斯英汉双解大词典》
  3. She told us to glue and seal the back of envelopes.
    她叫我们用胶水把信封的背面封好。

网络短语

  • Back seal test
    上密封试验；上弥缝实验；上密封实验；上弥缝测试
  • Back seal gas
    冲吹气体
  • Back Seal Automatic Packing Machine
    背封式自动包装机
  • back-seal
    背封
  • Liquid Back Seal
    右密封