Cryopumping
冷凝排气; 低温排气
🗣️ 情景例句
What he lacks in experience he makes up for in enthusiasm.
他用热心工作来弥补其经验的不足。
I'm going shopping because I need to buy some clothes.
我要去购物，因为我需要买一些衣服。
I wonder.In England, each person speaks a different language.
我感到奇怪。在英国，人们各自说着一种不同的语言。