30Cr2Ni4MoVA Φ60 30Cr2Ni4MoVA 西安 上海
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30Cr2Ni4MoVA Φ80 30Cr2Ni4MoVA 山东 山西
30Cr2Ni4MoVA Φ85 30Cr2Ni4MoVA 湖南 湖北
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30Cr2Ni4MoVA Φ60 30Cr2Ni4MoA哈尔滨 30Cr2Ni4MoA大连
30Cr2Ni4MoVA Φ70 30Cr2Ni4MoA辽宁 30Cr2Ni4MoA吉林
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