Much of the boost came from the opening of the territory's first diamond mine.
经济的飞速增长很大程度上取决于本地区第一个钻石开采的放开。
All of this can be done, Mr Heydon believes, for about half as much as opening a new land-based mine.
海冬相信，只要花费相当于一个陆地矿井一半的费用，所有这些就都可以实现。
All of this can be done, Mr Heydon believes, for about half as much as opening a new landbased mine.
海登相信，只要花费相当于一个陆地矿井一半的费用，所有这些就都可以实现。
Their proposals include cutting opening hours by 16% and reducing staff and access to documents, some of which will be stored in a Cheshire salt mine.
其削减方案包括：减少16%的开馆时间，裁撤员工，减少文件查阅量（有些文件存放在柴郡盐矿中）。
In view of above problems, the mining technology has been improved in Zhuyu mine areas by supporting with small wooden stand and opening stoping passage in the caving mining area.
针对以上问题，对竹峪金矿区采矿技术进行了改进，采用小木架支护法，在冒落采区中开辟回采通道，回采矿石。
If stress concentration factor expression for rectangular drift opening is known, it can be of great help in the design and support of mine horizontal rectangular drift.
若能了解矩形巷道孔边的应力集中系数表达式，则对矿山水平矩形巷道的设计和支护都有很大的帮助。
Mine fire is one of five big disasters in coal mine. The problem of probing underground fire source's position and limit is still an opening task in our country.
矿井火灾是煤矿五大灾害之一，探测地下火源位置的问题在我国仍然是一项开放性的课题。
It began in the 1980s with the opening of an iron mine called Bayan Obo in Inner Mongolia.
这要追溯到上世纪80年代在内蒙古白云鄂博开铁矿的时候。
The Changshan Salt Mine adopted tech nologies of free and inclined style windows opening for brine well repair. It is succeed to use side drilling with windows opening for brine well repair.
四川久大（集团）公司长山盐矿在卤井修治中，采用自由式开窗、导斜开窗两种工艺处理卤井事故，经过多次卤井修治开窗侧钻技术的应用，从而取得了一定的成绩。
It is suggested that the collection of following information on drill core record compiling, core orientation, mine opening geological record compiling, et...
建议今后从地表填图、钻孔岩心编录、岩心定向、坑道编录等方面加强工程地质资料的收集。
It is suggested that the collection of following information on drill core record compiling, core orientation, mine opening geological record compiling, etc., should be strengthened from now...
建议今后从地表填图、钻孔岩心编录、岩心定向、坑道编录等方面加强工程地质资料的收集。
It is suggested that the collection of following information on drill core record compiling, core orientation, mine opening geological record compiling, etc., should be strengthened from now...
建议今后从地表填图、钻孔岩心编录、岩心定向、坑道编录等方面加强工程地质资料的收集。
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