Bimetallic(spring cone) seal
[化] 双金属密封
🧩 词语组成解析
seal
[sil]
n. 密封;印章;海豹;封条;
v. 密封;盖章;决定;封上（信封）;
🗣️ 情景例句
Let's get together and have a group study session.
咱们在一起组织一个学习小组吧。
To tell you the truth that.
老实说。
It looks very nice.
看起来很漂亮。