液压

NINGBO BEKO MACHINERY CO.,LTD. is A manufacturer who specially produce hydraulic winch,hydraulic slewer,travel drive motor,hydraulic motor and hydraulic system.

宁波市百科机械有限公司是一家专业生产液压绞车、回转减速机、行走减速机、液压马达以及液压系统等系列产品的制造工厂。

Is A manufacturer who specially produce hydraulic winch,hydraulic slewer,travel drive motor,hydraulic motor and hydraulic system.

宁波市百科机械有限公司是一家专业生产液压绞车、回转减速机、行走减速机、液压马达以及液压系统等。

In hydraulic system, the character of roadheader slewing hydraulic loop system is one of important impacting attributes factors affecting mechanical stability and producing hydraulic impact.

在液压系统中，掘进机回转液压回路系统特性的好坏是影响机器使用平稳性和产生液压冲击的重要因素之一。

The chock shield combines the features of the chocks and the shields.

支撑掩护式液压支架结合了垛式液压支架和掩护式液压支架的特点。

The chock shield combines the features of the chocks and theshields.

支撑掩护式液压支架结合了垛式液压支架和掩护式液压支架的特点。

Through the analysis on the problems existing in the inspection of the hydraulic system having no the pressure testing point s, this paper holds that the rational selection of the pressure testing point s of each part is very important, which can not only guarantee that all hydraulic parts are demounted without being damaged but also avoid the pollution caused by the leakage of the hydraulic oil.

通过对没有压力测试点的液压系统检修中存在问题的分析，认为合理选择各个部位的压力测试点是十分重要的，它不仅能保证各液压元件在拆装过程中不被损坏，还能避免液压油泄漏的污染。

The paper mainly focusses on the design and realization of the measurement and control system for the test rig of valves for shield support. Its main contents are as follows.

本文主要从以下几个方面对液压支架用阀试验台的测控系统进行了设计与实现：以试验标准和液压支架用阀工作原理为基础设计了试验台液压测试回路，并建立了测控系统硬件和软件体系结构。

The primary object of the invention is to provide a telescoping hydraulic hoist (10) which is significantly lighter than hoists of similar types.

本发明的一个主要目的是提供一种套筒式液压升降装置（10），这种套筒式液压升降装置的重量大大轻于现有技术中所涉及的同样类型的套筒式液压升降装置。

When fired, the barrel and bolt recoil together a distance of about 35mm, under the pressure of hydraulic oil delivered to room air hydraulic oil, hydraulic oil slowly through the Orifice of oil to squeeze into another room.

发射时，枪管与枪机共同后坐大约35mm的距离，液压杆将压力传递给油室中的航空液压油，液压油通过节流孔缓慢挤入另外一个油室。

Jiaozuo City Brake hydraulic power plant is a hydraulic block brake, all kinds of electro-hydraulic, etc. to promote the development of products, development, manufacture specialized in one manufacturer.

焦作市液压制动器分厂是集电力液压块式制动器、各种电力液压推动器等系列产品的研制、开发、制造于一体的专业化生产厂家。

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。