byerlyte
常見例句
- This coal mine are rare byerlyte with good quality.As shown by complicated study of coal quality,in order to use resource resonably and gain maximum b...
煤質(zhì)的綜合研究表明,為達(dá)到珍惜和合理利用資源,并使其效益最大化,該煤層應(yīng)以冶金和鑄造用焦為主要加工利用方向。 返回 byerlyte