查询词典 hammer throw

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。

In order to implement simultaneous casing while drilling of larger diameter pile holes and water wells in complex strata, a new type of bit for simultaneous casing while reverse circulation drilling with DTH air hammer was developed.

为实现在复杂地层用同步跟管钻进工艺钻凿直径较大的桩孔和水井，设计了一种气动潜孔锤反循环跟管钻进钻头。

The solution of problems such as water hammer,hard to dispose the noncondensables, air lock and selection of steam trap were discussed to save energy,protect environment and lower the cost.

指出蒸气凝结水回收的重要性的同时对炼油厂蒸气凝结水回收系统中存在的诸如水击、非凝结性气体不能排除、气阻及疏水阀的选型安装等问题的解决办法进行了探讨。

We have to have some basic things such as wind-preferably a down jacket, climbing boots, alpenstock, piton hammer and mylon climbing rope.

我们得备上一些基本的东西，如防风服，最好是羽绒服，登山靴，铁头登山杖，登山钢锥和尼龙登山绳。

The large dynamic testing devices in the US are listed and the drop hammer test is introduced as an alternative test.

对部分测试内容进行了着重讨论，并列出了美国大型动力测试设备的情况。

The small blue capacitor has very high chances to go fully shorted compare to electrolytic capacitor which is very rare.

小蓝电容器具有很高的机会去充分地缩短了比较电解电容器，这是非常罕见的。

In the Italian campaigns of 1513 and 1515, when the Swiss won the victories of Novara and Marignan, he acted as army chaplain.

在意大利的运动， 1513年和1515年，当瑞士赢得了胜利，诺瓦拉和marignan ，他担任军队的牧师。