无铅黄铜

  • 网络Lead-Free Brass; unleaded brass

无铅黄铜无铅黄铜

无铅黄铜

Lead-Free Brass

??(?)???? ... 铜电极( Copper Anode) 无铅黄铜( Lead-Free Brass) 锻造黄铜( Forging Brass) ...

unleaded brass

铅铜,Pb &... ... ) lead-zinc-silver-copper 铅锌银铜 ) unleaded brass 无铅黄铜 ) Pb & Cu 铅铜 ...

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