The welding conditions should always be neutral or slightly oxidizing.焊接气氛必须永远保持中性或微氧化.Alkanes are resistant to attack by oxidizing agents generally.烷烃一般对于氧化剂的作用是稳定的.In liquid mixtures tetranitromethane may be used as an...
Dryness to avoid creating bronzing layer oxidizing or injury.燥,以免造成烫金层氧化或损伤.Alkanes are resistant to attack by oxidizing agents generally.烷烃一般对于氧化剂的作用是稳定的.Immersion service in aromatic or ketone solvents and strong oxidi...