underground coal mining 中文意思是什麼

underground coal mining 解釋
地下採煤
  • underground : adj 1 地（面）下的。2 隱蔽的，秘密的。3 （電影，報刊等）標新立異的，試刊的，試驗性而非正式的。4 ...
  • coal : n 1 煤，煤塊，煤堆。2 〈pl 〉〈美國〉（一堆）燒紅的煤。3 〈常 pl 〉〈英國〉（幾塊）供燃燒的煤。4 ...
  • mining : n 1 采礦，采礦業，礦業。2 敷設地雷[水雷]。adj 開礦的，采礦的。 a mining engineer 采礦工程師。 min...
  1. Belt conveyors for underground coal mining - light construction

    地下採煤用皮帶輸送機.輕型構架
  2. Each year, scientists say, about 200 million tons of coal ? more than was burned in all of japan last year ? are consumed by raging underground fires that are sometimes started by lightning and sometimes ignited by mining accidents

    科學家們說，每年約有2億噸煤炭因雷電和礦井事故而在地下被燒掉，這個數字相當于日本去年一年所消耗的煤炭。
  3. Terms relating to coal mining - underground mining

    煤礦科技術語地下開采
  4. A good many case of approaching excavation are studied in this article, such as the study of infection of be coal mining to the huayingshan tunnel, technology study of strucked tunnels of metro in shenzhen, countermeasure study of tunnel approaching pile foundation of metro in guangzhou, excavation methods optimized of large cross section subaqueous tunnel approaching pile foundation of lrt in chongqing, etc. on the basic of analysing and concluding relative study production all over the the world by the numbers, classification of approaching excavation, partition of approach zone, formula of partition of approaching zone, approach degree and countermeasure grade of generalized approaching excavation of underground works are put forward. general methods studying and trea

    本文結合作者多年來對華鎣山隧道減少壓煤量研究、深圳地鐵重疊隧道第11頁西南交通大學博士研究主學位論文技術研究、廣州地鐵公紀區間廣紡聯段鄰樁施工對策研究和重慶輕軌大坪大斷面車站鄰近基礎淺埋暗挖工法優化分析等諸多近接施工問題案例的研究，在系統分析和歸納總結國內外相關研究成果的基礎上，系統地提出了廣義的地下工程近接施工的分類、分區、分區指標表達式、近接度與對策等級概念以及分區、分度準則，給出了研究和解決近接施工問題的普遍方法，如數值分析先行，模型試驗、現場測試驗證等。
  5. As the largest coal mining machinery manufacturer, the chinacoal zhangjiakou coal mining machinery co., ltd. mainly produces flexible afc and related compatible bridge stage loader, crusher, matilda unit and plough used underground, consisting totally 500 sizes, 82 series and 10 categories

    公司作為我國最大的煤礦專用設備製造企業，主要產品是煤礦井下採煤工作面用可彎曲刮板輸送機及其配套的橋式轉載機、破碎機、皮帶機自移機尾、轉載機自移裝置、刨煤機等，現有產品10大類82個系列約500多個規格。
  6. Kkl102 air refrigerator for mines application is used to lower tempdrature of underground coal mines, and it can decrease the temperature of mining work surface of 14 ? section from 32 to below 26 rapidly

    Kkl102礦用空氣製冷機用於降低地下煤礦工作面的溫度，能迅速將斷面為14 ?的掘進工作的溫度由32降到26以下。
  7. Explosibility of coal dust in underground hard coal mining - tests and assessments of coal dust - air - mixtures and hybrid mixtures

    地下煤礦煤塵易爆性.煤塵空氣混合氣體和混合物的試驗
  8. Steelcord conveyor belts for use in underground coal mining ; belt joints ; dimensions, requirements

    地下煤礦用鋼絲繩傳送帶.傳送帶的帶接尺寸要求
  9. Lying beneath the dazhuang village are coal deposits with richreserve. repeated mining operations carried out by the state, collective and private - owned mines over the recent years have led to the presence of cracks on 200 - odd houses. analysis shows that this may be attributed partly to the mining - induced ground subsidence and partly to underground dewatering operation. a division is made of the responsibilities of the individual mines causing the damages

    西山煤電股份有限公司鎮城底礦選煤廠是一座礦井型選煤廠，近年來產品的硫分經常達不到用戶的要求，低硫煤的產量又越來越少，給礦井生產和選煤加工帶來了困難，系統改造勢在必行.通過改造，滿足了用戶對硫分的要求，提高了選煤廠的市場競爭力
  10. These men work underground for 6 hours a day, mining for coal

    這些人每天在地下採煤6小時。
  11. Rubber hoses and hose assemblies for underground mining - wire - reinforced hydraulic types for coal mining - specification

    井下采礦用橡膠軟管和軟管組件.採煤用鋼絲加筋液壓型.規范
  12. Technological transformation and implementation of underground belt conveying system in no. 5 mine of pingdingshan coal mining group company

    平煤集團五礦井下膠帶運輸系統的技術改造和實施
  13. Belt conveyors for underground coal mining - idlers - part 1 : dimensions

    地下采媒用皮帶輸送機.支承輥.第1部分:尺寸
  14. Article 44 coal mining enterprises must provide accidental injury insurance for miners working underground and pay premiums

    第四十四條煤礦企業必須為煤礦井下作業職工辦理意外傷害保險，支付保險費。
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