Bobbin seal
[化] 套管密封
🧩 词语组成解析
bobbin
[['bobin]]
n. 线轴, 缠线板, 缠线管\\n[电] 卷线轴
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
Would you be able to come over Saturday night?
星期六晚上能过来吗？
All right.
行。
becomes so worn and unreliable that it eventually is not worth mending.
磨损太厉害，老得一点儿也不准了，最终会不值得修理了。