high strength low-alloy steels 高强度低合金钢
high-strength low alloy steels 低合金高强度钢
high strength low alloy steels 低合金高强钢 ; 低合金高强度钢 ; 碳素结构
high-strength low-alloy steels 低合金高强度钢
low-alloy high-strength steels 低合金高强度钢
low alloy high strength steels 低合金高强度钢
There are four broad classifications of steel: carbon steels, alloy steels, high-strength low-alloy steels and stainless steels.
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。
Selection of materials. The bridge designer can select from a number of modern high-strength materials, including concrete, steel, and a wide variety of corrosion-resistant alloy steels.
桥梁设计者能选用大量的现代高强材料，包括混泥土，钢筋，和多种耐腐蚀的合金。
To meet the development of steels used for the large engineering machinery, fatigue crack growth rates of a high strength low alloy steel HG80 and welded joint were investigated.
为适应大型工程机械焊接用钢需要，对低合金高强度钢HG80及其焊接接头的疲劳裂纹扩展速率进行了研究。
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