Segmentally welded cylinder
[化] 瓦片式圆筒
🧩 词语组成解析
分段地
v. 焊接；使结合（weld的过去分词）
🗣️ 情景例句
What's this for?
为什么要送我花？
Please answer the door.
请去开门。
it is extremely difficult to estimate the true value of the services which people perform for us.
但要估算别人为我们为所提供的服务的价值却是极其困难的。