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seam face相关的网络例句

查询词典 seam face

与 seam face 相关的网络例句 [注:此内容来源于网络,仅供参考]

Standing by jejunum to break upright point, seaming stitch to fastening velar predestined relationship, the needlework that be the same as a root is in be apart from jejunum to break upright 6cm place to seam stitch; is velar predestined relationship seams stitch next, the needlework that be the same as a root is in be apart from jejunum to break upright 6cm place to seam stitch, loose loose ligate two silk thread, make jejunum retroflexions 3cm, the mucous membrane that retroflexion the face uses electric bright or carbolic acid tries to destroy, make its are lost secrete a function.

在靠近空肠断端处,在对系膜缘缝一针,同根针线在距空肠断端6cm处缝一针;然后在系膜缘缝一针,同根针线在距空肠断端6cm处缝一针,松松结扎两根丝线,使空肠翻转3cm,将翻转的黏膜面用电灼或石炭酸加以破坏,使其丧失分泌功能。

Application of plough in thin coal seam face

根据马兰矿刨煤机工作面初采初放工作的特殊性,阐述了对工作面初采初放工艺的改进。

Thin and minddle thick coal seam face measurement and measurement of fully mechanized coal face are expounded.

薄及中厚煤层急倾斜回采工作面测量和综采工作面测量。

Because seismic boreholes were deployed in the middle of coal seam, the energy of dynamite would be distributed symmetrically on the face of coal seam.

其中高频区大约以2000 Hz为中心,低频域的中心频率约为490 Hz,并且高频域和低频域的能量差异不显著。

By analyzing the influential factors of outburst in coal roadway, an important conclusion has been reached that the outburst danger of coal roadway depends on the distribution of outburst indexes in coal seam ahead of working face, not on the tested value of one point in coal seam.

通过分析煤巷工作面的突出影响因素,得出了煤巷的突出危险性并非决定于煤体内某一点的值、而是决定于工作面前方煤体内突出危险值的分布状态的结论。

This paper based on the low gas permeability coal seam 416 stope working face of Tongchuan mineral bureau,we analyzed the mechanism of the hydraulic cutting seam to improve the gas permeability coal seam,by this study,it shows the hydraulic cutting seam technology is effectual measure and it is provided with nicer practically and capacious foreground.

文章以铜川矿务局陈家山煤矿低透气性416综放工作面为研究背景,深入研究了水力割缝增强煤层透气性的作用机理,试验表明了水力割缝的确是一种提高低透气性煤层瓦斯抽放的有效措施,并具有良好的实用性和广阔的推广前景。

The actual distribution of unload zone of coal seam ahead of working face can be shown by continuously testing the initial gas flow from coal seam during hole drilling, which can be used to forecast the outburst danger of coal roadway.

连续测定钻进过程中的初始瓦斯流量可以反映工作面前方卸压带的实际分布,从而准确地预测煤巷的突出危险性。

Using individual hydraulic prop in thin coal seam face is better than the others in the aspect of support strength,premary supporting force,shrink amount and safety.

在薄煤层工作面中使用单体液压支柱,在支护强度、初撑力、可缩量、安全保障及操作人员安全上,都优于其它单体支护材料。

It was shown that coal seam floor failure depth of working face 2121 was 32.5 to 5 m, approximately three times as deep as that of shallow working face(in genera l,9.15 to 12.0 m). Coal seam floor failure depth increased with mining depth. Potential risk of water inrush through coal seam floor of working face 2121 is much higher for deep mining than for shallow mining.

试验结果表明:该工作面底板破坏深度为32.5~35 m,比300 m采深以内的工作面实测深度(9.15~ 12.0 m)增加2倍以上,说明随着开采深度的增加,煤层底板采动破坏深度呈明显增大的趋势,因此,在水压和破坏深度二者同时增加的条件下,2121工作面深部煤层开采的突水危险性远远大于浅部煤层。

Numerical simulation results show that, after No.16 coal seam has been mined, the subsidence of the No. 15 coal seam does not reach 750 mm, half of its thickness. Except the area corresponding to the face end of the No. 16 long wall coalface, the No.

模拟结果表明,先采己16煤后,己15煤的倾斜值即其台阶下沉量比较小,未超过煤厚之半(750 mm),除工作面两端头对应区域外,煤层表现的很连续。

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