Most loader hydraulic systems with pilot control use pilot valves and pres sures election valves as main pilot hydraulic components so some machine failure caused by those components may occurred.
先导操纵的装载机液压系统大多采用先导阀和压力选择阀作为主要的先导液压元件，因此会出现一些由这些元件引起的整机故障。
These pres the 1081 and the Air Montserrat are chosen time and time again by recording engineers and producers all over the world.
这些普雷斯-在1081和空中蒙特塞·拉特-都选择了世界各地的时间和时间录音工程师和生产了。
This paper introduces the characteristics of mould and forming methods of forming bicycle handlebar by liquid forging hydraulic pres. The liquid forging can form high quality handlebar.
介绍了在液态模锻液压机上成形自行车把接头的模具特点和成形方法。液态模锻可得到优质美观的把接头。
Therefore, it is necessary to study the technology for supplying power by the turbo driven by the pres.
因此，有必要研究利用飞机冲压空气带动涡轮发电供给吊舱内的电子设备。
This paper introduces the characteristics of mould and forming methods of forming bicycle handlebar by liquid forging hydraulic pres.
介绍了在液态模锻液压机上成形自行车把接头的模具特点和成形方法。
It was demonstrated by the correlation analysis between air pressure, water level and gravity that the interference of air pres - sure is much larger than that of water lever.
通过对重力、气压、水位的相关分析表明气压的干扰远大于水位的干扰。
The indications of medicine put forward by Zhang Zhongjing are classical and it is important to find out Zhang's way of prescribing drugs by studying Treatise of Febrile Diseasesand Synopsis of Pres…
张仲景的药证是中医的经典药证，通过《伤寒论》和《金匮要略》的最简方研究、最大量方研究、加减方研究、类方研究等，可以搞清张仲景用药的规律，继承好中医的优秀遗产。
The feasibility to develop wax by use of waste polyethylene film is mainly studied. The condition of high temperature and low pres- sure and a newly manufactured catalyst are used in the research.
本文主要讨论了用废聚乙烯薄膜制石蜡的可行性。采用高温、低压的反应条件，加入自制的催化剂；
This paper makes a comparison of the quality of rail joints welded by different methods, proposes that the movable flashed welded rail should be adopted on passenger dedicated line, and pres...
本文对不同焊接方法的钢轨焊头质量进行比较，提出线路上应优选移动式闪光焊焊接钢轨，并提出基地焊接长定尺钢轨的参考工位工序配置。
The latest technologies in paraffin removal and control in foreign countries are briefly introduced, such as paraffin removal by oil well tubing fillup valve, negative pres…
简要介绍了国外最新应用的清蜡、防蜡方法，诸如油井油管注入阀清蜡、负压冲击清蜡、井下就地产热清蜡、油井直接电加热清蜡和使杆管表面亲水防蜡等。
The latest technologies in paraffin removal and control in foreign countries are briefly introduced, such as paraffin removal by oil well tubing fillup valve, negative pres…
简要介绍了国外最新应用的清蜡、防蜡方法，诸如油井油管注入阀清蜡、负压冲击清蜡、井下就地产热清蜡、油井直接电加热清蜡和使杆管表面亲水防蜡等。
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