封口

• The flap of the envelope has come unstuck
  信封的封口脱胶散开了。
• I : got that . and there ' s a funny word for the seal isn ' t there
  写上。封口有一个有趣的词描述。
• The ( flap of the ) envelope was unstuck
  信封（的封口）没粘住
• But when i came to open it i found that the seal was unbroken
  但在取信时，我发现封口还没有拆开。
• Means of packaging ; closures for tube ends
  包装材料.管端封口
• Multi - seal plastic bags , its installation of 2 sets of
  制造多条底封口形式塑料薄膜袋，其特别是配有两
• Is100 induction aluminum foil sealer
  Is100感应式铝箔封口机
• Seal wires of galvanized steel wire
  第1部分:封口镀锌钢丝
• Automatic bag filling and closing machine
  自动装袋封口机
• Dental root canal sealing materials
  牙科牙根管封口材料