Hi guys, Welcome to the Advanced Video Search Engine, and you are watching 不銹鋼波紋管沒有螺紋怎么擰角閥？教你個好方法，家裝電工都在用. That video is uploaded by 水電維修 at 2023-05-29T08:34:30-07:00. We are promoting this video only for entertainment and educational purpose only. So, I hope you like & enjoy it. [CnaVre3t0ng]