煤
(mineral)coal◇次［低级软］煤dant，风干煤air-dry coal，肥［高挥发分］煤fatcoal，含黄铁矿的煤dross(y)coal，给［供］煤coal input，结焦性差的*，精选［上等］煤fancy coal，贫［低级］煤lean coal，弱黏结性煤feebly caking coal，上煤线［轨道］coaling track，外来［外矿送选的［煤foreign coal，由煤变焦的转化coalto-coke conversion，中块煤middle-grade coal |