" Mine Engineering Design and Construction" at the upper, middle and lower three, the article focuses on the basic theory of roadway construction blasting and blasting equipment used in construction types, properties and selection of construction methods and safety measures such as blasting . Medium-length introduces drift, shaft, shaft, large section tunnel to Gateway Crossing and other design and construction of the program content and the selection and construction methods. Xia Pian describes the type of roadway support, focusing on concrete support, bolting and shotcrete support and other joint

sinking and driving engineering.doc

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