查询词典 hammer-nose

The air DTH hammer drilling technically mainly used for drilling, shotting drills and wells in the past.

风动潜孔锤钻进技术过去主要用于钻凿爆破孔、基岩水井等。

Modular designed rig makes it has lighter weight for easy movement to reduce auxiliary time to get more efficiency and a middle air pressure DHD hammer to be used makes the rig can drill at higher speed.

模块化设计的钻机，使有重量轻，方便运动，以减少辅助时间，以获得更多的效率和中间的空气压力dhd锤将用于使钻机可以钻在更高的速度。

Factory was established in 2001, is located in the southeastern part of Hebei Province, the famous Chinese Tube Base - Mengcun County, factory production flange to the main, the existing air hammer 2 Units, lathe.

本厂成立于2001年，位于河北省东南部，著名的中国管件基地-孟村县境内，本厂以加工生产法兰为主，现有空气锤2台，车床。

To correct direction, first only the air hammer among located in the position corresponding to the correcting direction is actuated and only the ground in the correcting direction is drilled by a predetermined amount.

在方向修正时先仅使其位置与修正方向相对应的气锤工作，仅对该修正方向的地基按规定量进行挖掘。

It is difficult to drill or can not drill if we use routine methods, using through down-hole hammer air drill method not only raise rate of drilling, but also reduce pollution to the aquifer, promoting exploration and development for the deep underground water.

利用贯通式潜孔锤多工艺空气钻进方法不仅能提高钻进速度，而且能减少对含水层的污染，为深层地下水的勘探开发提供了技术支持。

It is recommended to adopt air hammer, pendulum assembly and air motor to minimize or eliminate the well deviation during gas drilling.

建议在现场推广应用空气锤、钟摆钻具组合和空气螺杆钻具组合三项气体钻井防斜技术来防止气体钻井井斜。

An introduction is made of air springs Model S-200-2 with dual barrels developed by Nanchang University,and of structure and calculation of vibration i solation system for 75kg air hammer with a inertial block support by the springs .

本文介绍了南昌大学所开发的S 2 0 0 2型双曲囊式空气弹簧，以及以该空气弹簧为隔振元件的 75kg 空气锤惯性快式隔振系统的结构特点和设计计算。

Refer to the damage problem to the motor of C41-400 air hammer caused by driving system fault, an acknowledged improvement that is adding a V-belt driving into the system has been promoted with failure situations occasionally because of irrational supporting structures.

针对C41-400型空气锤由于传动系统故障而导致电动机损坏的问题，通常的改进方案是增加一级V带传动，但由于对改造中的支承设计不合理而失败的情况也时有发生。

It also analyzes the reasonable method to determine such drilling parameters as drill pressure,rotation speed,gas injection pressure,gas injection volume in view of the character of air hammer drilling in detail,elabora.

分析了我国煤层气勘探开发现状，基于煤层气生产特征分析了煤层气开发向产业化、商业化发展降低钻井成本的主要技术方法。

It features of crawler mounted, electric powered, high air pressure hammer drilled, wet or mechanical dust collected, electric elements controlled, and cabin air conditioned that making the rig more easy operation and reliability.

它的特点履带式展开，电力，高气压锤钻，湿或机械的尘埃收集，电动分子控制，机舱空调认为，使钻机更易于操作和可靠性。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。