Micro-fine grained mixture iron ore 微细粒混合铁矿石
micro-granule gold ore 微细粒金矿石
micro sized ilmenite ore 微细粒级钛铁矿
Micro-fine magnetite ore 微细粒嵌布磁铁矿
micro structure of ore particle 矿粒微结构
micro-fine grain gold ore deposit 微细粒浸染型金矿
The micro grain gold can be divided into primary ore and oxidized ore according to the different working performance.
根据矿石加工技术性能，可把微细粒金矿分为原生矿和氧化矿。
The ore has the pelitic and microscale pelitic texture and the micro-bedded, tabular and dense massive structure.
矿石结构主要为泥质结构和显微鳞片泥质结构，构造主要为微层状、板状和致密块状；
The event is ore earthquake of rock burst type related to coal mine exploitation and mining activity, the micro-earthquake swarms belong to occasional local stress releasing.
这次微震群属于冲击地压型矿震，与煤矿开采及回采工程活动有关，属于偶发的局部应力释放。
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