论网架节点—焊接空心钢球的制造

Discussion on the Problems of Welding the Empty Centre of Sphere

分析了网架节点—焊接空心钢球制造中影响钢球质量的因素 ,探讨了提高钢球质量的途径。

Analyses the factor influced steel sphere qulity in we lding empty centre of sphere,approaches the way of raising the sphere qulity.