查询词典 hack 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。

A hideous ecstasy of fear and vindictiveness, a desire to kill, to torture, to smash faces in with a sledge hammer, seemed to flow through the whole group of people like an electric current, turning one even against one's will into a grimacing, screaming lunatic.

一种夹杂着恐惧和报复情绪的快意，一种要杀人、虐待、用大铁锤痛打别人脸孔的欲望，似乎象一股电流一般穿过了这一群人，甚至使你违反本意地变成一个恶声叫喊的疯子。

This company produces the air hammer piston and Chemical Equipment castings, with advanced production technology and excellent product quality, has won the endorsement of the business.

本公司生产的空气锤活塞和化工设备铸件，以先进的产品生产技术和优良的产品质量，赢得了各商家的认可。

Factory production capacity of 100 tons month; zibo are the largest manufacturers of air hammer piston rough.

工厂月生产能力100吨；是淄博地区最大的空气锤活塞毛坯生产厂家。

In addition, the use of the building near the air hammer, piling or blasting, will lead to building damage.

此外，在建筑物附近使用空气锤、打桩或爆破，也会导致建筑物的损伤。

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。

Finally,the paper presented the problems existed in the aspect of using air hammer for geophysical drilling and the direction of studied d.

阐述了影响冲击旋转钻井技术发展的主要因素，提出了气动冲击器用于物探钻井开发方面存在的问题和研究方向。

In this paper, the evolution of air hammer and air bit has been reviewed, the structure, advantages and application con.

为此，对空气锤和空气钻头发展历史进行了简单回顾，介绍了空气锤及空气钻头的结构、使用优点和应用注意事项，重点阐述了空气锤和空气钻头在普光气田的应用效果和出现的问题。

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。

He tendered his resignation to the Prime Minister.

他向首相递了辞呈。不适合

International economy and trade,Nanking 210044

国际经济与贸易，南京 210044