您要查找的是不是：
- working face ended supports 工作面端頭支架
- It is indicated that W type ventilation goaf reduces the pressure difference between working face ends, and narrows air leakage range. 指出W形通風(fēng)采空區明顯降低工作面兩端風(fēng)壓差，縮小漏風(fēng)范圍的效果。
- A Study on High-capacity and High-efficient Coal Mining Face End Support 高產(chǎn)高效工作面端頭支護的研究
- Keywords nonstandard tunnel;face end support;new structure;mine application; 異形巷道;端頭支護;端頭支架;新型結構;礦山應用;
- Roof Maintenance of "Three-soft" Coal Seam Working Face End of Fully mechanized Coal Winning Technology with Caving "三軟"煤層綜放工作面端面頂板維護
- Design and improvement of face end support technology in fully mechanized coal caving mining face 綜放工作面端頭支護工藝的設計與改進(jìn)
- Practices on face end support technology for fully mechanized top coal caving mining face in deep inclined thick seam 大傾角厚煤層長(cháng)壁綜放工作面端頭支護技術(shù)實(shí)踐
- face end support 端頭支護
- 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”。
- Water inrush in working face and support failure of the driven roadway caused by underground seepage occur from time to time. 摘要地下水滲流導致巷道掘進(jìn)工作面突水或成巷段支護失效的災害在煤礦時(shí)有發(fā)生。
- On the basis of special seam roof core in Jiulong mine ventilated gateway of No.15207 working face, the parameters of bolting support were determined with testing. 針對九龍礦152下07工作面回風(fēng)巷頂板巖芯結構特殊性,確定了錨桿支護參數并進(jìn)行試驗研究。
- 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)。
- face end supports 端頭支架
- The difficulties of mining in working faces are directly decided by support patterns in gateways. 回采巷道所選用的護巷方式及支護形式直接決定了回采工作面開(kāi)采的難易。
- In order to solve this probiem,an expansion stull can be setted on the end support. 為解決這一問(wèn)題,可在端頭支架加設活動(dòng)頂梁。
- In allusion to hydraculic support of structredness attaint countermeasure,according to 21121 working face act case,combine mine drang appear rule,mutual it appear causation carry through analyes explan,and advance prevent countermeasure. 針對綜采放頂煤支架出現的結構性損壞,以21121綜放工作面為例,結合礦山壓力顯現規律,對其原因進(jìn)行分析說(shuō)明,并提出了防止對策。
- Taking the open-off cut in 10201-S working face at Sihe mine as a example,the schem,technical parameters and construction method for the support of large section open-off cut are introduce. 以寺河礦10201S首采工作面切眼為例,證實(shí)了大斷面切眼的支護設計方案、技術(shù)參數以及施工方法選擇的正確性,介紹了施工中所采取的技術(shù)保證措施。
- At the end of 2007, Drapeau announced that AOL would stop development of the browser and would end support on 1 February. 在2007年年底，達皮奧宣布， AOL將停止發(fā)展的瀏覽器，并最終會(huì )支持，于2月1日。
- The key point of Grand pressure law on working face of seam top coal caving method,the method of dealing with them,firstly caving and end caving of working face roof control are discussed. 論述了中厚煤層綜采放頂煤工作面礦壓顯現規律和頂板管理的特點(diǎn),指出了綜放工作面頂板管理的方法,以及工作面初采、收作時(shí)頂板管理的要點(diǎn)。
