查询词典 knapping hammer

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。

Research shows that the main factors influencing forging penetration efficiency are reduction in pass and the dip angle of the hammer, and the main factors influencing forged piece surface quality are axle feeding speed and rotation angle.

研究表明：影响锻透性的主要因素为道次压入量和锤头倾角；影响锻件表面质量的主要因素为轴向送进速度和旋转角度。

When he died many years later, he left the hammer to his sixth son, Anselm, who promptly lost it.

当他很多年后去世的时候，他把这把战锤留给了他的第六个儿子Anselm，而它在这个孩子的手中却很快就丢失了。

When he died many years later, he left the hammer to h. sixth son, Anselm, who promptly lost it.

当他很多年后去世的时候，他把这把战锤留给了他的第六个儿子Anselm，而它在这个孩子的手中却很快就丢失了。

It is the old game of hammer and anvil: between

显然这就是人类生活的本来面目。

You can do some assertiveness training.

你可以进行一些自信训练。

We were well on the path to making a rear-wheel-drive global platform," says Mays."

我们正致力于建立一个后轮驱动的平台，"Mays这样说道。"