2004年以来一直保持了百万吨死亡率为零的纪录。

It has kept the record of zero mortality with millions of tons since 2004.

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本质安全型煤矿企业的建设可以创造优异的安全业绩，百万吨死亡率可以达到“0”目标。

The set up of the intrinsically safety mining environments can make excellent(achievement) on safety and realize the goal of "0" death rate in million tons coal production.

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