低碳微合金非调质钢
Low Carbon Microalloy Non-Quenched and Tempered Steel
微合金非调质钢管
non-quenched and non tempered microalloy steel tub
中碳微合金非调质钢
Medium carbon microalloyed steel
低合金调质钢
low-alloy quenched and tempered steel
NbTiV微合金钢
NbTiV microalloying steel
Nb-Ti复合微合金
Nb-Ti compound micro-alloyed
Nb-Ti复合微合金化
nb-ti compound microalloying
Nb-Ti微合金钢
Nb-Ti microalloyed steel
Nb-Ti micro-alloyed steel
nb-ti microalloy steel
nb-ti microalloying steel
nb ti microalloy steel
Nb-V-Ti复合微合金化
complex Nb-V-Ti microalloying
Ti-V-Nb微合金钢
ti-v-nb microalloying steel