surface coal mines的用法和樣例：
例句
- The evaluation of unreclaimed land productive potential in surface coal mine are keys for promulgating land reclamation planning in the mine.
露天煤礦待復墾土地生產(chǎn)潛力評價(jià)是編制土地復墾規劃的一個(gè)重要內容。 - The stability of composite slope, within first mining area in the 3rd Baiyinhua opencast coal mine, was analyzed.
摘要對白音華三號露天煤礦復合邊坡穩定性進(jìn)行評價(jià)。
