Spherical tubesheet
[化] 球形管板
🧩 词语组成解析
[化] 管板
🗣️ 情景例句
Good night.
晚安。
What's your plan for the summer holiday?
暑假计划干什么？
This is done by a great number of ring-shaped air jets on the bottom of the craft.
船底装上大量环状喷气嘴以实现这一目的。