- 1. A heat-resistant compacted graphite iron has been produced by using RE composite vermiculate ferroalloy which contains low boil element.
- 采用稀土为主的含低沸点元素的蠕化剂生产了耐热蠕墨铸铁。
来自互联网
- 2. A heat-resistant compacted graphite iron has been produced by using RE composite vermiculate ferroalloy which contains low boil element.
- 采用稀土为主的含低沸点元素的蠕化剂生产了耐热蠕墨铸铁。
来自互联网