high quality coal是什么意思


中文翻译优质煤

网络释义

1)high quality coal,优质煤2)metabituminous coal,fat coal ; fatty coal,rich coal,肥煤,优质煤3)super sea coal,优质煤粉4)quality fine coal,优质精煤5)high-quality burning oil,优质煤油6)high quality anthracite,优质无烟煤

用法例句

热门行业英语

行业英语