metallurgical coal
短语词组
- Output Of Metallurgical Coal 输出冶金煤
- metallurgical coal concentrate 炼焦精煤
- Buy metallurgical coal 冶金矿产
- Particularly Mining Metallurgical Coal 尤其开采冶金煤
- metallurgical coal for steel -making 钢铁冶炼用煤
- Coal for metallurgical coke 冶金焦用煤 返回 metallurgical coal