The deep well automatic vertical drilling tools positioning at thousands of meters, the hydraulic steering mechanism of them is demand of upper performances.
深井自动垂直钻井工具工作于数千米深的井下，对其上的液压导向机构的性能有较高的要求。
Since the hydraulic converter has a good capacity of dynamic load and has no any special demand on foundation, it particularly suits for overbalance checking of trucks in high-type road.
由于其液压变换器对动载荷具有较好的承受能力，且对于地基无任何特殊要求，特别适合于用作高等级公路的汽车超重监测。
Summary The hydraulic pump has sizable demand in nowadays industrial society as an important motive equipment in hydraulic transmission.
液压泵作为液压传动中的一个重要动力装置，在当今工业社会有着相当大的需求量。
According to the drive mechanism and the demand of the hydraulic rock drill, the structure character and the designing ways of the impact device, control valve and supporting arm were introduced.
根据水压凿岩机液压传动原理和使用要求，详细介绍了凿岩机中冲击器、操纵阀和支腿的结构特点和设计方法。
As its complex hydraulic system and high precision control, LS and other control lines must provided enough oil for control device demand.
由于其液压系统相对复杂，控制精度高，所以对LS等控制管路，必须提供足够的油液，以满足其控制要求。
To keep up with the market demand, weftless needled felt, geotextiles and woven compound geotextile are developed. The article compares the physical, mechanic and hydraulic features of these products.
根据市场需要，相继开发了无纬有基土工布、无基土工布及机织复合土工布，并对这三类产品的物理特性、力学特性及水力特性进行了测试比较。
People have recognized to control the oil pollution more and more, especially for the hydraulic pressure servo controlling system which has the high precision demand.
因此人们越来越重视对其的控制，特别是对于精度要求非常高的液压伺服控制系统来讲，污染控制显得更为重要。
As the increasing of volume of engineering construction in fields such as transportation, construction and irrigation, the demand of hydraulic excavator has risen sharply.
随着交通运输、建筑、水利工程等领域工程建设量的加大，全国各地液压挖掘机的市场需求急剧增加。
Hydraulic machine test-bed is the important device to optimize and exploit hydraulic machines whose tests demand test-beds have high precision and advanced automatization.
水力机械试验台是开发和优化水力机械产品的主要设备，它要求测试精度高，自动化程度高。
All hydraulic load sensing steering that supplies oil on demand preferentially and valve working hydraulic system of single pump priority are economic and energy-saving.
优先按需供油的全液压负荷传感转向及单泵优先阀门工作液压系统，经济节能。
The flow distribution factors among the same type assemblies are almost same, that has satisfied the demand of thermal-hydraulic design;
相同类型组件之间的流量分配是均匀的，已满足热工水力设计要求；
The flow distribution factors among the same type assemblies are almost same, that has satisfied the demand of thermal-hydraulic design;
相同类型组件之间的流量分配是均匀的，已满足热工水力设计要求；
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