巷道掘進工 的英文怎麼說
中文拼音 [xiàngdàojuéjìngōng]
巷道掘進工
英文
drift miner- 巷 : 巷名詞1. (較窄的街道) lane; alley 2. (姓氏) a surname
- 道 : Ⅰ名詞(道路) road; way; route; path 2 (水流通過的途徑) channel; course 3 (方向; 方法; 道理) ...
- 掘 : 動詞(刨; 挖) dig
- 進 : 進構詞成分。
- 工 : Ⅰ名詞1 (工人和工人階級) worker; workman; the working class 2 (工作; 生產勞動) work; labour 3 ...
- 巷道 : [礦物學] tunnel; lateral; roadway; gallery巷道壁 wall; 巷道頂 breaks; 巷道斷面 drift section; 巷...
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Practice of gas control in drivage of roadways in coal mine construction
礦井施工中掘進巷道的瓦斯治理Layout of the panel roadway and drivage technology adopted in sihe mine
寺河礦井盤區巷道布置及掘進工藝Based on the theory of detonation dynamics and fracture mechanics and combined with engineering experiences, the parameters of soft rock tunnel hole charge and smooth blasting are analysized to enhance tunnel excavation proficiency in soft rock and smooth blasting. value scope of smooth blasting is acquired, which can give some experience for parameters design and construction of smooth blasting in soft rock tunnel excavation
摘要為提高軟巖巷道掘進效率和光爆效果,利用爆轟動力學和斷裂力學理論,分析了軟巖巷道掏槽及光爆參數,結合工程實踐經驗,得出了軟巖巷道光面爆破參數的取值范圍,對軟巖巷道爆破參數的設計和施工具有一定的指導意義。A system that regulates sampling time according to countrate level therefore can reduce this error significantly and its performance is verified by monte ? carlo simulati on
實踐證明,這種爆破技術減少了對圍巖的破壞,提高了巷道的成形質量,降低了材料消耗,有利於提高掘進速度和降低工程成本。There are two important kinds of special objects in mine information system, that is to say, digging roadway and stratum. roadways are the thoroughfare that transport coal form the working face to ground, ventilate, and carry workers safely
礦山信息系統主要面對兩類空間目標,即掘進巷道和地層,巷道是采礦生產中將煤炭從工作面運送到地面,以及通風、安全輸送工人的通道。The contra - rotating axial local fan can be used extensively in the large digging face and long distance ventilation in the mine
該通風機可廣泛應用於礦井大斷面、長距離掘進巷道和具有有害氣體及需要大風量的工作場所通風。分享友人