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- In order to enhance the efficiency of excavating coal, Beishan coalmine attempts to adopt millisecond delay direct initiation at working face. 百善煤礦為提高采煤效率,嘗試在采煤工作面實(shí)行毫秒延期反向起爆。
- This enabled them to run transport cars right up to the work face. 這使他們能把運煤車(chē)一直開(kāi)到工作面。
- Stripper face must extend 1/8” below working face of punch. 脫料板下表面至少比沖子工作面高出1/8”。
- It has been experimented at 1325 fully me cha nized working face in Gequan Coal Mine, Xingtai, and an average dust preventing efficiency of about 72%was obtained. 在邢臺礦務(wù)局葛泉煤礦1326綜采工作面進(jìn)行的現場(chǎng)試驗表明:該裝置對呼吸性粉塵有較好的隔塵效果,平均隔塵效率為72%25以上。
- All coal was moved from the work face by electrically-driven conveyors. 所有的煤都用電動(dòng)傳送帶從工作面運出來(lái)。
- Comparison among the results of BEAM, GPR, TSP and the actual case after cutting indicates that BEAM has a fairly good efficiency when there is ground water in the rock mass ahead of tunnel work face. 與地質(zhì)雷達、TSP預報結果以及實(shí)際開(kāi)挖情況進(jìn)行對比表明,Beam對掌子面前方水體具有良好的探測效果。
- Its range had the larger outstand to outboard working face under the condition of injecting grouts in separate layers. 離層帶注漿時(shí)的覆巖破壞形態(tài)和范圍向工作面外側突出較大。
- Accumulated water of 12206 working face having been dug completely is menacing mining of 12208 working face. 12206工作面采空區積水對12208工作面的采掘生產(chǎn)構成一定威脅。
- The experience of water danger reclamation in synclinal axis illustrating at T312 working face is introduced. 介紹了T312工作面向斜軸部水患治理的經(jīng)驗。
- The join way of scraper coveyor cable pan using in mechanize working face is designed into fixtureless join way. 將機械化采煤工作面刮板輸送機電纜槽之間的聯(lián)接,設計成無(wú)緊固件的聯(lián)接方式。
- The water-inrush from floor inundates Working face 51101W in Liangzhuang coal mine,Xinwen Mining Group. 新汶礦業(yè)集團良莊煤礦51101W工作面因底板突水導致工作面被淹。
- Introduce a pressure characteristic of working face with the usage of hydraulic breaking-off prop. 介紹切頂支柱使用情況下的工作面礦壓特性,分析切頂支柱對頂板管理的作用。
- Scraper conveyor is the main conveying equipment in coal mine,has important affect to whole working face. 刮板輸送機是煤礦生產(chǎn)的重要運輸設備,對于整個(gè)工作面的安全生產(chǎn)起著(zhù)至關(guān)重要的作用。
- Generally, the gas effuse amonnt in dig working face in mine relates to the gas fountain quantity. 淮北礦業(yè)集團公司石臺煤礦對3422掘進(jìn)工作面采取了瓦斯綜合治理措施,達到了預想的效果。
- The water irruption flooding on the working face of 1000m deep shaft was not found in China,also was rare in the world. 豎井千米深處工作面突水淹井,國內沒(méi)有先例,國際罕見(jiàn)。
- I change coverall, carry miner's lamp on the back, go toward 612 teams working face alone. 我換上工作服,背上礦燈,獨自往612隊工作面走去。
- Excavate coal is primary production link in coal mine production, therefor, Weaving excavate coal working face supersedure plan has instructional meaning. 采煤是煤礦生產(chǎn)中的主要生產(chǎn)環(huán)節,因而編制采煤工作面接替計劃對煤礦生產(chǎn)具有指導性意義。
- How to Bring Forth New Ideas for Archival Work Facing Knowledge Enterpris? 面對知識企業(yè)構建,檔案工作如何創(chuàng )新?
- Saving the mixing and solidifying time, the new type of mechanical anchoring bolt can greatly improve the construction speed of roadway of fully mechanized working face. 同樹(shù)脂錨桿相比,新型機械錨桿節省了安裝、攪拌樹(shù)脂和等待樹(shù)脂凝固時(shí)間,大大提高了綜采工作面巷道施工速度。