hydrogen brittleness造句
Insomecases,theuseofpulsecurrentstillcanreducethelumber,improvethehydrogencathodiccurrentefficiency,thusreducepinhole,stripedandhydrogenbrittleness,etc.Thezincaluminumcoating(alsocalled"Dacromet")is...
Insomecases,theuseofpulsecurrentstillcanreducethelumber,improvethehydrogencathodiccurrentefficiency,thusreducepinhole,stripedandhydrogenbrittleness,etc.Thezincaluminumcoating(alsocalled"Dacromet")is...