摘要
随着采煤产业的快速发展,Q690高强板在液压支架中得到了广泛应用,Q690低合金高强度钢板的焊接难题也得到了解决。
With the rapid development of coal mining,Q690 high-strength steel plates have been widely applied in hydraulic supports and the welding problems of Q690 dilute alloy high-strength steel plates have been solved.
出处
《山西科技》
2011年第3期105-105,107,共2页
Shanxi Science and Technology
关键词
Q690
焊接工艺
焊接要求
Q690
welding technology
welding requirements