中文字幕精品aⅴ专区|久久久99精品久久久|成人片黄网站色大片免费|拍拍拍无挡免费视频网站|日韩免费一区二区三区在线|无码精品国产VA在线观看|邻居少妇张开双腿让我爽一夜|国产色欲a∨视频精品老师视频

    <form id="fgbmd"><nav id="fgbmd"></nav></form>
    <form id="fgbmd"><sup id="fgbmd"></sup></form>

    <noscript id="fgbmd"><meter id="fgbmd"></meter></noscript>
      <center id="fgbmd"></center>

      1. 
            
        

        Using the 3Ddeposit modeling system to guide underground prospecting according to the mineralization regularity and the complicated geological structure, and many blind and edge ore-bodies are found. The main adit + main-auxiliary shaft development method and the electronic signal control system are adopted in underground transportation to improve the transportation efficiency; implements the “four modernizations” of development, such as mining mechanization, production and management frontline, construction team   miniaturization, quality management standardization; adopts the mechanical equipments such as drilling trolley, prying trolley, driverless railcar to realize mechanization and automation of drilling ,charging, mining, transportation, filling and so on.


        a.jpg

        b.jpg








        Inspect and apply the advanced equipments such as drilling trolley, prying trolley, driverless railcar to realize mechanization and automation of drilling, charging, mining, 

        transportation, filling and other procedures.








        c.jpg

        The beneficiation puts the coarse crushing in the underground to avoid the surface noise 

        and dust pollution, and realizes the environmental protection, energy saving and efficient 

        utilization.

        dd.jpg

        The main adit + main-auxiliary shaft development method and the electronic signal control system are adopted in underground transportation to improve the transportation efficiency.









        ? 安达市| 金寨县| 班戈县| 綦江县| 泸水县| 新安县| 三门县| 青铜峡市| 巴里| 锡林郭勒盟| 武夷山市| 依安县| 高阳县| 忻州市| 通化市| 黄陵县| 香格里拉县| 临西县| 巩留县| 正阳县| 兰州市| 栾城县| 泌阳县| 珠海市| 汽车| 淳安县| 莱芜市| 沙田区| 兴隆县| 彰武县| 如东县| 小金县| 涟源市| 澜沧| 射阳县| 隆德县| 凌云县| 洪洞县| 二连浩特市| 柘荣县| 建瓯市|