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adit. adit, a horizontal or near-horizontal passage driven from the Earth's surface into the side of a ridge or mountain for the purpose of working, ventilating, or removing water from a mine. Where either a vertical shaft or an adit can be used to reach a mineral deposit, the generally lower cost of driving an adit, the saving in the cost of ...
Mining Equipment. Equipment for driving is of four general types—drilling, blasting, loading and transportation, and ventilating. Modern drilling equipment comprises rock drills; rock-drill accessories, including drill mountings, hose, and fittings; drill-steel and drill-sharpening equipment; air-compressor and motive power; and pipe lines ...
Далд уурхайн хонгилд автобусаар зорчиж буй нь. Энэ бол Оюу толгойн далд уурхай юм. Энэ хонгилуудын урт нийлээд 200 орчим километр буюу Улаанбаатараас Дархан орох зайнд дүйцэхүйц урттай.
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Бид Далд уурхай доош лифтээр бууж газрын гүний 1,300 метрт очлоо. Энэхүү лифт нь секундэд 6 метр явах хурдтай, 26 хүний багтаамжтай аж. Лифтээр зорчиход нэг талдаа дөрвөн минутын хугацаа зарцуулна.
Underground development methods / Далд уурхайн нээгч малталтууд. Two types of development exist in mining: primary and secondary. The main difference between these two types is the life expectancy of the development. Primary implies long life and includes such items as shafts, declines, and other mine accesses; main ...
Дата хакатон нь дэвшүүлсэн есөн асуудлын хүрээнд шинэ санаа, шийдлүүдийг уралдуулах болно. Багууд доорх есөн сэдвээс нэгийг сонгон, хоёр үе …