Infobond
双面印制线路板点间连线自动操作装置
🗣️ 情景例句
Take heart, we'll find a way out.
振作起来，我们会有办法的。
When the fire started, I was writing letters.
当火起来的时候，我在写信。
Even more processes are never patented at all but kept as secret processes.
更多的工艺过程根本就不会取得专利权，而是作为秘方保存着。