The Daye Iron Mine 大冶铁矿
The iron mine fulfilled the state production plan one month in advance.
这个铁矿提前一个月完成了国家生产计划。
Conclusion the risk factors especially dust exposure affect the health and lifespan of the iron mine workers.
结论以粉尘为主的职业有害因素明显影响铁矿工人健康和寿命。
The reasonable delay time of blast in the iron mine has been discussed tentatively with the gray-scale map invented by Anderson d.
用安德逊的灰度图对该矿爆破的合理微差时间作了初步探讨。
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