... pinking roller 压花滚刀 Pinkus metal 平基斯铜合金 pinnacle nut 六角槽顶螺母 ...
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...铜合金 aldary; ambraloy; berylco alloy; copper alloy; copper base alloy; copper composition; copper hardener; copper-alloy; cuprum alloy; pinkus metal 低合金铸钢 clas cast low alloy steel ..
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