已经有次观看 wencong在2014-07-07发布

Channel：Non-ferrous Metal 标签： Welding,  gas  cutting,  machinery  manufacturing 

简介：Welding, also known as fusion, and melt then is a way of heating the bonding of thermoplastic materials such as metal or other plastics manufacturing processes and technologies.

Gas cutting is oxygen - acetylene thermal (or other combustible gases such as propane, natural gas, etc.) generated by the flame cutting of metal.