发布网友 发布时间:2022-04-23 05:40
共1个回答
热心网友 时间:2023-10-16 22:22
After the reconstruction of progressive die-casting machine of 石钢转炉厂, original the 150 billet which provided to the NO.3 mlii plant is getting shortage, and that 180 billet is comparatively affluent. Thus think of using 180 billet in the NO.3 mlii plant