Elcometer
膜厚测定仪
🗣️ 情景例句
Thank you. The address is No.44 Changning Road.
谢谢你，地址是长宁路19号。
What's the longest river in the United States?
在美国最长的河是什么？
Then, send two cases please.
这样的话，就送两箱吧。