low & high alloy steels 低与高合金钢
high strength low-alloy steels 高强度低合金钢
low alloy High Structural Steels 高强度低合金钢板
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
low alloy high speed steels 低合金高速钢
low-alloy high-strength steels 低合金高强度钢
low alloy high strength steels 低合金高强度钢
high-strength low-alloy 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。
Wear loss of specimens for these two steels during a certain time show that low carbon high alloy steel is much more resistant to corrosive impact abrasion than high manganese steel.
比较两种材料试样在一定时间内的失重变化情况，表明低碳高合金钢的抗冲击腐蚀磨损性能优于高锰钢。
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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