常見(jiàn)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(chǔ)量計(jì)算過(guò)程中，準(zhǔn)確計(jì)算礦石體重是影響礦體儲(chǔ)量的一個(gè)重要因素。 返回 ore-body