The gear reducer for high strength steel carburizing carburizing hardening low noise transmission.
减速器的轮为高强度渗碳钢，经渗碳淬火处理，传动噪音低。
For welding low-alloy and high strength steel with corresponding strength grade.
用于相同强度等级的低合金高强钢的焊接。
Wwlding material: low carbon steel, high strength steel, medium carbon steel, low alloy steel.
可焊接材料：低碳钢、强度钢、碳钢、合金钢。
This steel excels in high strength, extremely low temperature toughness;
这种钢的强度高、韧性极低温度；
HG70 steel is a high strength and low carbon steel for mechanical engineering use.
HG70钢是一种高强度低合金机械工程用钢。
Wwlding material:low carbon steel, high strength steel, medium carbon steel, low alloy steel.
可焊接材料：低碳钢、高强度钢、中碳钢、低合金钢。
They developed a new kind of low - alloy steel which HAS great tensile strength.
他们炼出了一种有较大拉力的低合金。
Wwlding material: low carbon steel, high strength steel, medium carbon steel, low alloy steel.
可焊材料：低碳钢、高强度钢、中碳钢，低合金钢。
Wwlding material: low carbon steel, high strength steel, medium carbon steel, low alloy steel.
可焊材料：低碳钢、高强度钢、中碳钢，低合金钢。
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