Although the hydraulic forging press is a more expensive piece of equipment than a drop-forge, it has advantages beside those of giving greater strength and more uniform structure to large components.
虽然这种液压锻机比落锤锻造要昂贵得多，但它除了能给予大零件较高的强度和更均匀的组织外还有其它优点。
The size impact of narrow side on thermal hydraulic behaviors of rectangular channel (pressure drop and CHF) has been evaluated quantitatively in this paper, as a given fuel element as reference.
本文以某一尺寸为例，定量评估了矩形通道窄进尺寸偏差对热工水力特性（流动压降和CHF）的影响。
The pistons of the upper and lower hydraulic cylinder make reciprocating motion alternatively to realize on-load continuous rise (drop) and quick operation.
其上、下液压缸活塞交替往复运动，实现了带负载持续上升(下降)和快速作业。
This paper describes drop hammer hydraulic dynamic calibration device's operating principle and its main function. The problems of the current calibration methods are also studied in details.
该文介绍了落锤液压动标装置的工作原理及其主要功能，分析了现有校准方法存在的问题。
The forging pump press divides into the drop forging hydraulic press and the free forging hydraulic press two kinds.
锻造水压机又分为模锻水压机和自由锻水压机两种。
The drop forging hydraulic pressure confidential USES the mold, but the free forging hydraulic press does not use the mold.
模锻水压机要用模具，而自由锻水压机不用模具。
The system makes use of the special concentric dual cylinder to lift and drop the wind tunnel door with the aid of synchronization and hydraulic locking technologies.
该液压系统采用特殊同心双缸来升降风洞顶门，并采用同步技术和液压锁闭技术来实现风洞顶门的升降。
During the hydraulic conveying of solids water mixtures in horizontal and vertical pipes, the specific pressure drop of the mixtures is relative to volumetric concentration of solids.
水力管道输送中，无论水平管还是垂直管，混合液的单位压降均同颗粒的体积浓度有关。
The theoretical analyses show that the rotating speed of hydraulic turbine and the pressure drop increase while the flowing velocity increases.
理论分析表明，液轮机的转速随着流体流速的增加而增大，同时流体阻力降也增大。
The section integration used for steam network hydraulic calculation is put forward. The influence of steam being as elastic medium on the section pressure drop is considered in this method.
提出了可用于蒸汽管网水力计算的分段积分法，该方法考虑了蒸汽作为弹性介质对管段压力损失的影响。
Described are the functions, structure composition and the design method for various parts of the multi-purpose electro-hydraulic wheel drop machine for passenger cars.
介绍了客车多功能电动液压落轮机的功能、结构组成及各部分的设计方法。
They are suitable in the hydraulic system with high pressure, high flow rate and low pressure drop.
该阀非常适合用于高压大流量，压力损失小的系统。
This paper describes drop hammer hydraulic dynamic calibration device's operating principle and its main function.
该文介绍了落锤液压动标装置的工作原理及其主要功能，分析了现有校准方法存在的问题。
This paper describes drop hammer hydraulic dynamic calibration device's operating principle and its main function.
该文介绍了落锤液压动标装置的工作原理及其主要功能，分析了现有校准方法存在的问题。
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