基本解釋n.煤層同根派生 coal-seam相關(guān)詞英漢例句用作名詞 (n.)Coal seams intermixed with iron ore.煤層和鐵礦混雜在一起。The degree of carbonization of coal depends on the temperature.煤層的炭化程度取決于溫度。coal-seam更多例句