查询词典 drilling machine

During air drilling,under the precondition of high drilling speed, pneumatic hammer drilling technology can validly control the well deflection.

空气锤钻井是一种低钻压、低转速、高冲击破岩回转钻进技术，它兼容了气体钻井和冲击回转钻井的优势，其机械钻速一般比回转钻井高，是当今解决硬岩钻井难题的一种有效方法。

Coal seam methane well ; drilling technology ; non-linear contact analysis ; Downhole Hammer Drilling ; rotary drilling

吉林大学；张龙飞煤层气井；钻井工艺；非线性接触分析；潜孔锤钻进；回转钻进

The shape of cuttings is related with the drilling parameters. The cuttings often appear in irregular flakes during air hammer drilling, and in spindle shape during cone bit drilling.

岩屑的形状与钻井参数有关，空气锤破碎岩石的岩屑形状呈不规则片状，牙轮钻头破碎岩石的岩屑形状呈纺锤形。

The local Directional drilling is just staring in terrane, the equipments and the technologies cant satisfy far and far the spot construction needs, according to current circumstance and considing the existed equipments, the author put forward drilling by air hammer in terrane , having designed compounded-drilling tools,and recommended technology parameters.producing experiments have obtained good achievements in economic and in techniques.

国内定向钻进铺管技术在岩层只是刚刚起步，设备、工艺远远不能满足现场施工需要，本文针对国内、外岩层定向钻进非开挖设备及工艺现状，结合国内大多施工单位的已有设备，提出岩层空气潜孔锤导向钻进工法，设计了适合岩层钻进的实用钻具，并提出具有针对性的工艺参数，生产性试验取得了良好的经济技术指标。

It is connected to the required position of drilling stem to protect drilling stem without any influence on the drilling tool.

将它连接于所用钻柱的需要部位，保护钻柱，不影响钻具正常工作，一旦在井下工具遇卡可借助于安全接头卸开并退出卡点以上的钻柱，再次下钻时还可对接。

It is connected to the required positoin of drilling stem to protect drilling stem without any influence on the drilling tool.

将它连接于所有钻柱的需要部位，保护钻柱，不影响钻具正常工作，一旦在井下工具遇卡可借助于安全接头卸开并退出卡点以上的钻柱，再次下钻时还可对接。

It is connected to the required position of drilling stem to protect drilling stem without any influence on the drilling tool.

将它连接于所用钻柱的需要部位，保护钻柱、不影响钻具正常工作，一旦在井下工具遇卡可借助于安全接头退出并卸开卡点以上的钻柱，再次下钻时还可对接。

As a professional manufacturer and drilling service supplier of drilling products and rock-drilling products, Boart Longyear is continually expanding in manufacturing and services.

作为一家钻探装备和凿岩装备的专业制造商和钻探服务商，Boart Longyear正在不断拓展制造和服务领域。

Afterward holds the drilling simulated the situation which the school student's dormitory was on fire partially, the crew officers and soldiers has organized the teachers and students and the staffs helps the formulation in advance according to the Fire service the emergency dispersal drilling plan, carried on the fire to escape the dispersal drilling.

随后举行的演练模拟了学校学生宿舍局部起火的情形，支队官兵组织师生和员工们按照消防部门预先帮助制定的应急疏散演练方案，进行了火灾逃生疏散演练。

To meet the demand of wire-line coring drilling in complicated formation,compound solid-free drilling fluid of CL plant glue was compounded and used instead of drilling mud with the property of wall protection and leaking stoppage.

为满足复杂地层绳索取心钻探技术的需要，寻找、配制了既能代替泥浆具有良好的护壁堵漏性能，又能满足绳索取心钻进技术要求的CL植物胶复合无固相冲洗液。

We stopped by the old fashion ice cream parlor Manhattan Beach Creamery for some refreshment. The "No Shoes, No Shirt, No Problem" sign on the wall epitomizes the beach lifestyle.

我们去商店区的一家老式冰淇淋店坐坐，墙上挂著「没鞋，没上衣，没问题」的牌子完全捕捉了海滩生活的随性及风格。

"If therefore", argues Bellarmine we can offer our prayers and our satisfactions in behalf of those detained in purgatory, because we are members of the great body of Christ, why may not the Vicar of Christ apply to the same souls the superabundant satisfaction of Christ and his saints--of which he is the dispenser?

" "因此，如果"，认为贝拉明（德indulgentiis ，十四）"我们可以提供我们的祈祷和我们满意的代表那些被拘留在炼狱，因为我们是成员的伟大基督的奥体，为什麼可能不是牧师基督适用於同样的灵魂满意的过剩是耶稣和他的圣人-他是在配药？