淬火轨 hepublishing hardened rail ； quenched rail 合金轨 alloy steel rail 合金淬火轨 hepublishing hardened alloy steel rail 你晓得脚手架扣件价钱；quenched alloy ..
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合金钢轨
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head hardened alloy steel rail 合金淬火轨
Alloy Rail Steel 合金钢轨钢
low alloy rail steel 低合金钢轨钢
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A bloom continuous Casting machine main cast quality steel and alloy steel, such as heavy rail steel, hard-line steel, spring steel, bearing steel, alloy structural steel, and other key species.
大方坯连铸机主要浇铸优质钢和合金钢，如重轨钢、硬线钢、弹簧钢、轴承钢、合金结构钢等重点品种。
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