查询词典 air hammer

It is assumed that it is adiabatic compression during start-up process before the atmophere pressure in flow passage rise to relief pressure, the thermodynamic equation, momentum equation and rigid water hammer theroy have been applied for the analysis and calculation the variation law of air during this transient process.

假设流道内气体未达虹吸驼峰顶处真空破坏阀排气压力前的起动过渡过程处于绝热压缩状态，运用能量方程结合动量方程和刚性水击理论，计算分析出了流道中的气体压力在起动过渡过程中的变化规律。

Function of air valve for water hammer protection is analyzed with method of characteristics through practical engineering example.

针对长距离有压输水系统的特点，从基本的空气动力学方程入手，分析推导了空气阀的数学模型，并采用水锤计算的特征线方法，进行了空气阀水锤防护的实例分析。

Our air drop hammer 30,000lbs of press capacity, making it one of the largest in Japan.

对异形件加工，在控制要求严格的高温合金，可使用2T，3T.4T，8T 锤锻打。

The economic and social benefits of reforming air steam forging hammer with the power head are analysed.

介绍了25kJ电液模锻锤动力头的形式、用途，分析了25kJ电液模锻锤动力头改造1t蒸空模锻锤所带来的经济效益。

By analysis of enforcement of drilling tools of air downhole hammer 's following pipe, the factors affecting the drilling speed and depth of the following pipe are obtained.

通过对空气潜孔锤跟管钻进钻具的受力分析，得到影响潜孔锤跟管钻进速度和跟管深度的因素。

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。

To advanced production technology and equipment production QTJ4-26 automatic hollow block production line; QYJ-45C air-core mobile-piled QYJ-45B aircraft and fixed-air batteries and a machine-piled the hammer mill , Mixer, feeding vehicles and other equipment.

以先进的生产工艺和设备生产QTJ4-26型全自动空芯砌块生产线；QYJ-45C型移动式空芯砌成型机和QYJ-45B型固定式空芯砌成型机及配套的锤式粉碎机、搅拌机、加料车等设备。

The materials-air circulation is existed in the ginding chamber of hammer mill when grinding materials.It led to lower production ,higher consumption of energy and particle inhomogeity.Aiming at materials-air circulation ,the special type grinding chamber that is made up of trapezium screen was proposed. It can destroy circulation lay effectively and raise grinding capbility.

针对锤片式粉碎机工作时粉碎室内存在物料-空气环流层，导致其粉碎效率低、能耗高，且粉碎物粒度不均匀，提出使用梯形筛片构成的异型粉碎室来改善锤片式粉碎机的性能。

Hole deviation ; control ; drilling tool ; air forging hammer ; air screw

井斜；控制；防斜钻具；空气锤；空气螺杆

V' y2 _1 {9 f q2 W 344、That is an air (electric powered grinder (portable grinder, angle grinder, straight grinder, drill, impact wrench, riveting hammer, hammer drill).

P- e2 y' f 那是一个气动砂轮机（手持砂轮机、角型砂轮、直型砂轮、钻机、冲击扳手、铆钉锤、锤钻机）。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。