短语词组短語lump stone coal 塊狀石煤A LUMP OF COAL 一塊煤lump -coal combustion 塊煤燃燒Lump of Coal 煤塊washed lump coal 水洗塊煤lump coal rate 塊煤率bitumirous lump coal 菸煤塊percentage of lump coal 塊率rate of lump coal 原煤塊率 返回 lump coal