NiCr6015 NiCr8020高电阻电热合金
NCHW-1/NCHR-1高..
NCHW-2/NCHR-2高..
CrAl255 CrAl2..
NiCr7030 CrAl..
NiCr6015 NiCr..
60Ni16Cr 80Ni..