【Youtube】焊接中要避免的10个错误

https://www.youtube.com/watch?v=Fp37DPZVdRI&list=PLia9oWTVHsUS__10I4vsJd207HRmm_egl&index=1&t=4s
焊接中要避免的10个愚蠢错误和提示/STUPID ERRORS To AVOID in Soldering and TIPS
https://www.youtube.com/watch?v=Fp37DPZVdRI&list=PLia9oWTVHsUS__10I4vsJd207HRmm_egl&in