hard-line steel的意思|示意
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强硬的钢
hard-line steel的网络常见释义
硬线钢的 硬线钢
hard-line steel相关例句
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。