查询词典 percussion hammer

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。

Field of hundreds of square metre, two air hammer, 200 thousand yuan start, 20 more than person does poineering work.

几百平方米场地，两台空气锤，20万元起步，20余人创业。

This paper presented some main factors affecting the development of revolving-drilling technique.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。

Sales of air hammer parts, accessories, reasonable prices, quality, customs clearance, so far to have 15 small, medium and large enterprises with my alliance.

销售空气锤零件，配件，价格合理，质量过关，迄今为止以有15家大中小型企业与我结盟。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。