Comsol
银铅焊料, 银锡软焊料（熔点296°C）
🗣️ 情景例句
He's coming over to talk about it.
他就是要来谈这个问题。
How much?How many?
共多少？
The following year, it was taken to pieces and sent to America.
第二年，它被拆成若干小块，运到美国。