The ore structure of Daling Mine is complex in Jilin Nickel Industry Corporation, it is typical low grade difficulty mining deposit.
吉林镍业公司大岭矿矿岩结构复杂，为典型的低品位难采矿床。
The geology and mining condition of deposits is complicated in Daling Mine, it is one of most difficulty are bodies for mining in China.
大岭矿矿床地质及开采技术条件复杂，是国内有色矿山少有的难采矿体。
The geology and mining condition of deposits is complicated in Daling Mine, it is one of most difficulty are bodies for mining in China.
大岭矿矿床地质及开采技术条件复杂，是国内有色矿山少有的难采矿体。
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