Welded tube
[化] 焊缝管; 焊接管
🧩 词语组成解析
v. 焊接；使结合（weld的过去分词）
🗣️ 情景例句
Thank you very much.
非常感谢。
How long have you had this pain?
疼痛多久了？
Last summer, I went to Italy.
去年夏天，我去了意大利。