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鍛打廠直銷35CrMo齒輪軸保證性能和探傷

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章丘鍛造4140對(duì)應(yīng)國標(biāo)42CrMo圓鋼調(diào)質(zhì)硬度

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章丘鍛造4130齒圈調(diào)質(zhì)硬度

山東鍛造4140對(duì)應(yīng)國標(biāo)42CrMo齒圈多錢一公斤

2024奧運(yùn)奪冠40CrMnMo環(huán)鍛件調(diào)質(zhì)硬度

鍛打廠直銷35CrMo環(huán)鍛件保證性能和探傷

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