... high-strength cast steel 高速铸铁 high-strength low alloy steel 高强低合金钢 high-strength low-allow steel 高强度耐低温钢 ...
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钢材大致可分为四类：炭素钢，合金钢，高强度低合金钢和不锈钢。
There are four broad classifications of steel: carbon steels, alloy steels, high-strength low-alloy steels and stainless steels.
采用埋弧焊方法，通过改变焊丝铜含量来改变焊缝金属中的铜含量，研究铜对高强度低合金钢焊缝金属韧性的影响。
In this paper, the effect of copper content on the weld metal toughness in SAW of HSLA steels was studied by changing the copper content in welding wire.
钢材大致辞可分为四类，即：碳素钢、合金钢、高强度低合金钢和不锈钢。
There are four broad classifications of steel : carbon steels, alloy steels, high-strength low-alloy steels and stainless steels.
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