Dermitron
高频电流镀层测厚仪
🗣️ 情景例句
Your grandfather went to the Engineering School there.
你爷爷进那个工学院。
How much is it by registered mail?
挂号信要多少钱？
It's supposed to start at 6:30 sharp, but I doubt it will.
应该是六点半整的，但是我觉得够呛。