常見例句用作名詞 (n.)Because of the small mine, usually the ore was excavated by hand.由于礦體小，傳統(tǒng)印石采制主要是手工挖掘。The accurate ore weight is very important for computing of reserver.在礦石儲量計算過程中，準確計算礦石體重是影響礦體儲量的一個重要因素。 返回 ore-body