Elliptical tubesheet
[化] 椭圆管板
🧩 词语组成解析
[化] 管板
🗣️ 情景例句
Excuse me, where can I find the shoe polish?
问一下，我到哪儿能买到鞋油？
Keep good men company, and you shall be of the number.
近朱者赤。
What was wrong with Jim ? Did he hurt himself?
吉姆怎么啦？他伤着自己啦？