Disc-seal tube
[电] 圆盘封口管
🧩 词语组成解析
disc
[disk]
n. 圆盘;唱片;磁盘;
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
I know.
我知道。
I finished my work at 6 p.m.
下午6点我下班了。
She struck the keys too hard and two of the strings were broken.
她在击琴键时用力过猛，损坏了两根琴弦。