短语词组短語mbr lump ore mbr 塊鑛natural lump ore 天然塊鑛lump ore rate 塊鑛率Iranian lump ore 伊朗塊Lump ore method 塊鑛法ore lump ore rate 大塊率Hainan lump ore 海南塊鑛ratio of lump ore 塊鑛比lump ore ratio 塊鑛比 返回 lump ore