structural alloy steel 合金结构钢 ; 结构用合金钢 ; 结构合金钢

alloy structural steel 合金结构钢

low alloy Structural Steel 低合金钢

medium carbon structural alloy steel 中碳合金结构钢

Low-Alloy High-Tensile Structural Steel 低合金高强度结构钢

structural titanium alloy 结构钛合金

carburised alloy structural steel 渗碳合金结构钢

structural low alloy steel 低合金结构钢

Alloy structural steel sheets 合金结构钢薄钢板