Electropla
电镀
🗣️ 情景例句
If we hire you, how long will you stay with us?
你打算给我们工作多久？
I met one of the announcers over at the television station.
我在电视公司遇到一位播音员。
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。