sealing wax 封蜡
airtight sealing 气密密封
rubber sealing 橡胶密封
waterproof sealing 防水密封
1. The sealing of the container is essential for freshness.
容器的密封对保持新鲜至关重要。
2. We must ensure the proper sealing of the windows.
我们必须确保窗户的密封完好。
3. The wax sealing was applied to the official letter.
这封正式信件盖上了封蜡。
A: Is the sealing on this jar tight enough?
A：这个罐子的密封足够紧吗？
B: Yes, it is completely airtight.
B：是的，它是完全气密的。
1) 密封，封存
2) 密封件，密封材料
3) 盖章
1. 密封，封存，盖章
e.g.The sealing of the door prevented the smoke from spreading.
门被密封起来，防止烟雾扩散。
noun
1. The action of closing something tightly to prevent leakage or entry.