查询词典 hydraulic drive

Above all, during the research of the automatic of hydrotechnics designs, the author has successfully developed the CAD software AutoSD for hydraulic runnel design, and realized the function of immediate interpose among program and relief maps and the overall process computer aided function during the hydraulic tunnel design.

总之，本文通过对水工设计自动化的研究，成功开发出水工隧洞辅助设计软件AutoSD，并首次实现在软件运行时与地形图的即时交互和反馈功能，实现了水工隧洞设计全过程的辅助设计功能。

The physical experiment on hydraulic fracturing propagation in laboratory showed that the penetration of hydraulic fracture into the salutatory barrier mainly depended on the normal stress difference between salutatory barrier and pay zone.

室内物理模拟实验研究发现，突变体法向应力对水力裂缝能否穿过突变体起着决定性作用，约4MPa的法向应力差可以促使水力裂缝穿透突变体，继续沿原来的方向延伸。

It is completed with sand hopper, gravel hopper, belt conveyors, concrete mixer, auto pallet feeder, hydraulic control unit, hydraulic operation handles, roller conveyor and brick / block transporting trolleys.

它由沙斗、砂斗、传送带、混凝土搅拌器、自动夹具送料机、液压控制部件、液压操纵柄、滚柱式传送机和砖块/砌块运输车组成。

The analysis of the mechanical and pneumatic control systems of scutcher machines is studied in this paper,a hydraulic control system with electro-hydraulic proportional valve to regulate the force imposed on the cotton lap is proposed.

文摘：在分析了机械式和气动成卷机成卷压力控制系统的基础上，提出了一种采用电液比例控制技术的成卷机控制系统。

The design of aircraft hydraulic system emphasizes particularly on choice of hydraulic component, calculation of fluid self-excitation resonance, avoidance of coupling of pump's ripple frequency and natural frequency of pipeline, and layout of pipeline system, but the design of aircraft structure emphasizes particularly on calculation of stress and intensity.

飞机液压系统的设计侧重于液压元件的选择、流体自激谐振的计算、避免液压泵脉动频率与管道固有频率的耦合及管路系统的布局，而飞机结构设计侧重于应力和强度的计算。

Hydraulic screw down system of cold rolling sheet plant of Benxi Iron and Steel Company was studied,physical and mathematical models of every part of hydraulic screw down were established and transfer function of the whole system under position control was deduced.

通过对本钢冷轧厂四辊冷带轧机液压压下系统的研究，对液压压下系统的各个环节建立了物理和数学模型，推导出了整个系统在位置控制方式下的传递函数。

Supported by lots of mathematical models of hydraulic components, SIMUL/ZD can simulate dynamic characteristics of the target hydraulic system.

该软件拥有丰富的液压元件数学模型库为支撑，可以对液压系统进行动态特性的仿真计算。

Hydraulic dive drilling pump adopts variable hydraulic pump and dynamic cylinder as its power end and its fluid end is identical with the triplex single-acting piston pump.

摘 要 液压驱动的钻井泵采用变量液压泵和动力油缸组成液压钻井泵的动力端；液力端和现在使用的三缸单作用活塞式钻井泵相同。

This paper firstly presents the expressions of energy consumption in two types of blank holding, the conventional hydraulic cushion and cushion-compensating cylinder, in single-action deep-drawing hydraulic press, and shows through comparison that the consumption in later is far less than in the former.

本文首先运用能量法推导了单动拉深液压机的两种压边方式即传统液压垫压边方式和液压垫-补偿缸压边方式的能量损失表达式，通过比较，得出后者在压边节能方面存在优势。

But the siphonic roof outlet of system has complex hydraulic peculiaritys、 high velocity of flow and limited capability of dealing with overflow. The error of any design might cause the system invalid or to be insiphonic, furthermore, it can lead to drainage hitch or make big noise, and overflow will appear when the rainfall exceeds the design value of tube. So we should make further studies to consummate the hydraulic peculiarity and the method of calculation continuously.

但虹吸式屋面雨水排水系统中防旋雨水斗的水力特性复杂和系统流速大、超泄能力有限，稍有不慎可能造成系统运行的失效，引起排水故障，或者产生很大的噪声，雨量超过管道设计值时还会出现溢流，从而需要对其进行进一步研究，不断地完善其水力特性和设计计算方法。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48