zhaoyang13:
目前有幾本書籍可以在網上下載:(pdf格式)弧焊整流電源及控制http://www.maihanji.com/download/showcontent.asp?id=240焊接電工(焊接專業)http://www.maihanji.com/download/showcontent.asp?id=239電焊機設計基礎http://www.maihanji.com/download/showcontent.asp?id=237CO2焊接設備原理與調試http://www.maihanji.com/download/showcontent.asp?id=238