您要查找的是不是：
- This old coal face is to be reworked next week. 這個(gè)舊的采煤工作面下周將重新開(kāi)采。
- He has worked at the coal face for eight hours. 這礦工在工作面上已經(jīng)干了八小時(shí)了。
- It is a main part of the aspirating system of the coal face. 設計的任務(wù)主要是對噴霧泵進(jìn)行設計并進(jìn)行必要的校核。
- Cutting dust is the rootstock in coal face by analyzing the dust root in mine. 通過(guò)對煤礦塵源的分析可知,截割粉塵是采掘工作面粉塵的根源;
- Two models for output of mechanized coal face are constructed with Markovian theory. 利用馬爾可夫理論,構造了兩個(gè)機采工作面產(chǎn)量的模擬模型。
- Air leak seriously influences coal face supersedure at second air road of Dongyi mining area. 東一采區二段風(fēng)道小井漏風(fēng)嚴重影響了采煤工作面的接續,制約采區巷道維修。
- The main factors of influencing top corner gas on coal face in production was analysed by example. 通過(guò)實(shí)測,分析了實(shí)際生產(chǎn)中影響采煤工作面上隅角瓦斯的主要因素。
- This paper introduces the methods and measures of the adjustment of support tilt caused by ultrahigh mining in fully mechanized coal face. 本文介紹了綜采工作面回采超高時(shí)傾斜歪倒支架調整的方法及措施。
- The technology of super long coal face in three soft layers can be realized to excavate safely and effectively by the measurement in site. 通過(guò)現場(chǎng)實(shí)測表明三軟煤層中布置超長(cháng)工作面能夠實(shí)現安全高效生產(chǎn)。
- The roadway forming along gob is to form a roadway by supporting along the gob behind the coal face.It serves for this coal face and next coal face. 沿空成巷是直接在工作面后方沿采空區邊緣支護形成一條巷道，它服務(wù)于本工作面及相鄰工作面，一巷兩用。
- The blasting mining caving coal face,large indination and overhand mining technology is successfully applied in Chaohua Coal Mine of Zhengzhou Coal Industry Group Comp. 鄭州煤業(yè)集團超化煤礦采用炮采放頂煤工作面大傾角仰采技術(shù)取得成功,解決了大傾角采煤工作面的支架失穩問(wèn)題。
- Automatic lifting of shearer drum is one of key techniques of coal face automation, and its core is identification technique of coal and rock interface. 滾筒自動(dòng)調高是實(shí)現采煤工作面自動(dòng)化的關(guān)鍵技術(shù)之一,其核心是煤巖分界識別技術(shù)。
- We carried similar material imitation with up-dip mining method experiment,with it we studied the cover rock movement and breach laws in incline fully mechanized coal face. 本課題在實(shí)驗室做了“仰斜開(kāi)采覆巖結構破壞規律相似材料模擬”試驗,通過(guò)試驗研究了傾斜綜放采場(chǎng)覆巖移動(dòng)破壞規律。
- The paper described in detail the high undercover large mining coal face roof control the basic requirements of the roof control and the strengthening of specific measures. 該文詳細敘述了大采高臥底煤工作面頂板控制的基本要求和加強頂板控制的具體措施。
- According to the characteristic of moving boundary of coal face , the authors set up the heat conduction differential equation and studied the dimensionless form of the equation. 根據回采工作面移動(dòng)邊界的特點(diǎn)，建立了動(dòng)坐標下的圍巖導熱微分方程，研究了該方程的無(wú)因次形式；
- The result shows that the borehole destruction occurs in the dynamic process of coal face advancing, and it is more stable when the borehole location is close to tailgate. 認為鉆孔的破壞是隨著(zhù)工作面推進(jìn)而發(fā)生的動(dòng)態(tài)過(guò)程，布置在靠近回風(fēng)巷側鉆孔更加穩定。
- Analyses the factor that effect on the percentage of recovery in longwall mining with caving coal face,approaches the access to raise the percentage of recovery. 分析了影響綜采放頂煤回收率的因素,探討了提高回采率的途徑。
- At present the fully-mechanized blasting down coal face continues to use ordinary dustproof measure.In addition, some comprehensive dustproof measures must be adopted. 當前綜采放頂煤工作面除沿用普通綜采工作面采取的綜合防塵措施外，還要采用一些綜合的防塵措施。
- In order to study the dip strata displacement and side abutment phenomenon law in incline fully mechanized coal face we observed phenomenon of underground pressure in co. 為了研究?jì)A斜綜放采場(chǎng)傾向巖層運動(dòng)與側向支承壓力顯現規律,布置了覆巖破壞測區和側向支承壓力測區。
- In this paper,the gas emission method of primary mining in high gas coal face are summarized systematically,which provides reterence for other similar coal mines. 本文系統地總結了淮南高瓦斯工作面初采期間瓦斯抽放方法,以供類(lèi)似條件的礦井參考。
