Poly(ether-ketone)
[化] 聚醚酮
🗣️ 情景例句
Oh, nothing, thank you.
噢， 什么也不要。谢谢 。
Today, I'd like to show you something which I'm sure you'll find interesting.
今天我要向你们展示一些东西，我相信你们会感兴趣的。
So was born the echo-sounding apparatus, now in general use in ships.
这样就产生了目前各种船舶上普遍应用的回声探测仪。