bessemer converter steel
短語詞組
- Bessemer r converter steel 酸性轉(zhuǎn)爐鋼
- Bessemer converter steel Bessemer steel 酸性轉(zhuǎn)爐鋼
- Basic Bessemer Steel Converter 堿性轉(zhuǎn)爐鋼轉(zhuǎn)爐;堿性鍊鋼轉(zhuǎn)爐
- basic c Bessemer steel converter 堿性鍊鋼轉(zhuǎn)爐 返回 bessemer converter steel