There are four broad classifications of steel: carbon steels, alloysteels, high-strengthlow-alloysteels 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。
2
To meet the development of steels used for the large engineering machinery, fatigue crack growth rates of a highstrengthlowalloy 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。
3
There are four broad classifications of steel : carbon steels, alloysteels, high-strengthlow-alloysteels and stainless steels.