查询词典 hydraulic main

Structure design and control method of the cutter body system are the main problems in producing shield driven by hydraulic cylinder directly, in-depth and systemic research about these important probl.

刀盘系统的结构设计及其控制方式的研究是液压缸直接驱动盾构研制所必须解决的关键问题，本文围绕这些关键问题进行了深入的系统的研究。

Structure design and control method of the cutter body system are the main problems in producing shield driven by hydraulic cylinder directly , in-depth and systemic research about these important probl.

液压缸直接驱动盾构是一种全新的盾构机型，目前国际上和国内还无同类产品出现，因此，液压缸直接驱动盾构的研究，对于发展具有我国自主知识产权的盾构技术无疑具有重要意义。

The mechanical engineering hydraulics is concerned, the normal operation of the hydraulic system is one of the main technical conditions.

就液压传动的工程机械而言，液压系统的正常运行是其良好技术状况的一个主要标志。

Taken the three dimensional shining metal combination machine tool as an object of study in the paper,the main structure and motion form have been discussed and the work process and control requirement of machine tool have been analyzed,the movement cycle diagram of machine tool and the motion table of hydraulic pressure component have been given.Then the control system design based on PLC has been proposed,the I/O address table has been listed and the hardware and software of the control system has been de...

文章以三面铣组合机床为研究对象，通过对主要结构和运动形式的探究以及对机床的工作过程和控制要求分析，给出了机床动作循环图、液压元件动作表；并采用PLC控制系统的设计方法，列出了I/O地址分配表，进行了软硬件设计，绘制了 PLC的外部接线图和单循环自动工作流程图及其说明；实验运行结果表明，将PLC技术应用于三面铣组合机床具有整体技术及经济效益。

The first part of the whole, including: the main-scale displacement and the identification, map type, weight and general layout of calculating the focus of the plan is formally established; into the second performance, including: self-transformation and-line mapping, static water Calculation and static hydraulic curve, the stability of floating state calculation; third dip into the calculation; summed up into the fourth part, based on an evaluation of the design, lessons learned, the comprehensive knowledge.

第一部分为总体部分，包括：排水量及主尺度的确定、型线图、重量重心计算和总布置正式图的确定；第二部分为性能部分，包括：仿式变换与型线图绘制、静水力计算及静水力曲线图、稳性浮态计算；第三部分为大倾角计算；第四部分为总结部分，为本次设计作出评价，总结经验教训，综合所学知识。什么专业的？搞这么复杂的东西。报酬就免了，给了我也拿不到。

In the paper, river and the downstream area of dike are regarded as a whole system, and hydraulic model of coupling 1-D river and gradual dike-break is established, therein the Preissmann implicit difference scheme is applied to Main River, and the FVM is applied to the breach and polder. On the basis of FVM and unstructured grids, TVD ?

本文将河道与堤坝下游区域视为一个整体，对于单一河道采用Preissmann四点隐式差分格式计算，对于溃口及圩区采用有限体积法，建立了一维河道与堤坝渐溃耦联的水力模型，也是一维、二维耦合的水流模型。

The main production platform for take-off and landing, take-off and landing stage, hydraulic machine, Wood Machinery several major categories of products.

主要生产升降平台、升降舞台、油压机、木业机械几大类产品。

Throughout the design process, the paper's main task is to design connectivity options, select the design of the hydraulic components, out of the cooler design is cooler calculation of the design and details of the design. Designed to XYZ-100 Thin Oil Lubricator stations to achieve a variety of circumstances, the continued supply way.

在整个设计过程中，本文的主要工作是连接方式的选择设计、液压元件的选取设计、列管式冷却器设计主要是冷却器的设计计算及细节设计，使设计的XYZ-100稀油站实现了不同的情况下的持续供油方式。

Hydraulic control valve is a main valve and the exterior of the needle valve and a combination of the pilot valve.

水力控制阀是由一只主阀及其外装之针形阀和先导阀等组合而成。

The pilot would be able to steer the nosewheel of the take-off trolley, while the main wheels would have hydraulic brakes, controlled by the cockpit rudder pedals.

就像一个重病的自矜者，病得越重，就越想通过不断吃偏方来进补，希望找到灵丹妙药，结果只能是病入膏肓，行将就木。

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。