铬锰硅合金钢
chrome-manganese-silicon alloy steel
高硅锰硅合金
high silicon silicomanganese
high-silicon silicomanganese
silicomanganese with high-silicon
high Si siliconmanganese
silico-ferromanganese with high-silicon
高锰锰硅合金
high manganese ferromanganese-silicon
低合金结构钢
low alloy structural steel
low alloyed structure steel
low alloy high strength steel
low alloy structrual
高级合金结构钢
high-grade alloy structure steel
合金结构钢
alloy steel
alloyed structural steel
alloy structure steel
alloy structural steel
alloy constructional steel
Alloy structure steels
structural alloy steel
constructional alloy steel
alloy structureal steel
合金结构钢丝
Alloy structure steel wires
普通低合金结构钢
general structure low-alloy steel
优质碳素钢和合金结构钢
quality carbon steel and alloy structural steel
组合结构结合部
joint of combined structure