片语

Long open hole drilling长裸眼鉆井

long horizontal hole水平长鉆孔

long spiral hole长螺旋鉆机

long-hole caving深孔崩矿

long tapered hole长锥孔

long-hole blasting深孔爆破

long bore hole blasting长孔爆破

long bore hole drilling长鉆孔施工

英汉例句

• The sleeve is a hollow cylindrical sleeve; reinforced hoops are respectively arranged on the upper end and lower end of the sleeve; a vertical waist-shaped long hole is arranged on the sleeve.

  所述的套筒为一空心圆柱形筒，套筒的上、下两端分别设有加强箍，套筒上设置有纵向的腰形长孔。

• I cut down a big tree, and then began to make a long hole in it.

  我砍倒了一棵大树，然后开始掏成一个长条形洞。

• The modelling experiment has shown that the procedures are practicable, the reasonable values of the time interval for long hole m…

  根据生产实验结果提出了东鞍山矿微差爆破适宜间隔时间的数值。

• High pressure ring-shaped DTH drills are key equipment for underground high level large diameter long hole mining.

  高气压环形潜孔鉆机是地下矿山高阶段大直径深孔采矿的关键设备。

• In view of long hole section, milt-point, disconnected channels of Xing 1~3 block in Daqing oilfield, proposed countermeasure for detect and treatment channels outside tube.

  针对大庆油田杏1~3区乙块三次加密试验区大段、多点、不连续窜槽井问题，提出了相应的管外窜槽检测及治理对策。

• The principle of increasing gas emission rate by long hole blasting in the crossing hole is discussed. The radius cracked zone in coal seam caused by long hole blasting is calculated.

  简要论述了深孔爆破提高瓦斯抽放的机理，以煤体中柱状装药爆炸后的裂隙圈半径进行了计算。

• Tanaka Xi Tian stone -- produced in Shoushan Township and ocean. On the pit head hole, a long hole next to a creek.

  田石——产于寿山乡内外洋的溪田中。上有坑头洞，洞旁有溪，长约数。

• The test results indicate that long hole blasting in the crossing hole can improve the suction quantity of firedamp effectively.

  理论研究和试验都表明 ，采用爆破方法可以增加瓦斯?。

• A push unit which is provided with a long hole is positioned in the groove of the rotation unit.

  一设置于转动单元凹 槽中的推动单元，该推动单元上具有一长孔；

• This paper describes the effects of bottom water cushion on long hole blasting.

  本文论述了水垫层在深孔爆破中的作用。