coalgasn.煤气coaln.煤；木炭vt.烧成炭；供应煤vi.加煤；装煤coal related gas煤型气Coalwater slurry水煤浆coalescing agent聚结剂coal-selecting选煤coaled dark plum乌梅炭coal tower scale煤塔秤coal source rock煤系烃源岩coal price index煤炭价格指数coalbed rheology煤层流变coal mine sewage煤矿生活污水

1. The delivery man used to take the lid off our coal hole and simply tip the coal in.
   送货员过去总是把我们煤窖的盖子打开，把煤一下倒进去。