论文部分内容阅读
这里介绍的是北京市金属结构厂几年来使用国产普通低合金钢常用钢种生产经验小结(摘要),供有关工厂企业参考。有什么意见可写信反映给我们。一编者
Here is the Beijing Metal Structure Plant domestic use of ordinary low alloy steel several years production experience summary (summary), for the reference of the relevant factories and enterprises. Any comments can be written to us. An editor