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Copper Beryllium CuBe4 Beryllium Copper BeCu Has Better Weldability And Can Produce Very Good Welds To Pure Copper 镍镁 NiMg NiMg15-30 镍铌 NiNb NiNb60-75 镍硼 NiB NiB15 镍钒 NiV NiV60-70 锌锰 ZnMn ZnMn10 锌锂 ...