Permeability test
[机] 透气性试验
🧩 词语组成解析
n. 渗透性, 可透性, 磁导率\\n[化] 渗透性; 渗透率
🗣️ 情景例句
Studying is a big boring, but it sure beats the unemployment queues.
学习是有点枯燥，但比起失业来好多了。
I had met Stone, too.
我也见过。
Precautions of this sort are necessary, for it is impossible to foretell the exact nature of the difficulties which will confront the pot-holer.
作出这样的准备是必要的，因为无法预见到洞穴探险者究竟会遇到什么性质的困难。