Comsol
银铅焊料, 银锡软焊料（熔点296°C）
🗣️ 情景例句
They rescheduled the product launch.
他们重定产品投放市场的时间表。
Whatever man has done man may do.
天下无难事。
Once he had done this, he had been able to turn on the supply.
一旦他接上了接头，他就能够打开供气阀。