选择频道搜索
Cu3.0~4.0 Ti0.40~0.90
Cu3.0~4.0 Nb8×℃%~1.0
Cu≤1.0 AI1.00~1.70
V0.20~0.40 Co≤2.5
W3.0~4.5 V≤0.35 Co≤2.5
Cu≤0.1 Co≤0.1