查询词典 hydraulic main

The main returns are as follows: 1. A set of water-saving, quick and safe rotary percussion self-contained drilling tools and drilling technique used in drought water scarce areas were developed under the new idea combine water-saving drilling with rotary percussion drilling, which includes pneumatic steel ball percussion device used see before formation water and water-saving hydraulic percussion device used see after formation water.

主要研究成果： 1、从&节水钻探&和&回转冲击钻进&相结合的新思路出发，研制了一套适用于干旱缺水地区的节水型回转冲击配套钻具及其钻进工艺方法，包括见到地层水之前使用的球体冲击器及见到地层水之后使用的节水型液动冲击器系统。

The main products has: ZQ drill pipe power tongs series, QT Series Casing power tongs, FYZ series air-cooled hydraulic, pneumatic winch series, XYQ tubing power tongs series, ZQ-100 suspended or devices.

主要产品有：ZQ钻杆动力钳系列，QT套管动力钳系列，FYZ风冷液压系列，气动绞车系列，XYQ油管动力钳系列，ZQ-100吊升装置等。

We analyzed the electro-hydraulic proportional variable displacement piston pump from three aspects of its structure,control principle and mathematical model,and compared the main characteristics of an open-loop controlled pump with a closed-loop controlled pump.

从结构、控制原理和数学模型等3个方面对开环和闭环电液比例变量柱塞泵进行分析，比较二者的主要性能特点。

Factory area of 9000 square meters, the main production equipment including hydraulic machine, stretching machine, punching machine, such as painting lines.

厂区面积9000平方米，主要的生产设备包括液压机，拉伸机，冲床，喷漆流水线等。

Refined into the present company main products: heating categories: thermostatic radiator valve, balance valve, self-acting differential pressure controller, self-traffic controllers, self-operated valves, electric control valve, to warm temperature controller, desuperheating decompression system; air conditioning products: indoor temperature controller, electric Two-, three-way valve, pressure bypass control systems, proportional-integral-type regulating valve and so on; treatment series of products: electronic water treatment device, filter backwashing , and condensed water recovery unit and other hydraulic control valves.

目前精成公司主要产品有：供暖类：散热器恒温阀、平衡阀、自力式压差控制器、自力式流量控制器、自力式温控阀、电动调节阀、地暖温控器、减温减压系统；空调类产品：室内恒温控制器、电动二通、三通阀、压差旁通控制系统、比例积分式调节阀等；水处理系列产品：电子水处理仪、反冲洗过滤器、冷凝水回收装置及其它水力控制阀门。

Its main components are cotton collecting head, hydraulic system, chassis, operating system, cotton transferring system with wind power, cotton box, electron monitoring system, wiring system, shower wetting system, auto lubricate system and dynamic protecting system etc.

主要由采棉头部件、液压系统、底盘、操纵系统、风力输棉系统、棉箱部件、电子监控系统、电器系统、淋润系统、自动润滑系统、动态防护系统等构成。

In the first part, one of the multibody system theories and methods— Huston's method based on Kane's equation is systematically summarized. By using this method, the existing design problems of two main machines—wheel loader and hydraulic excavator in the field of construction machinery have been solved, and also the software KDOSCM which includes multibody system kinematic and dynamic analysis, optimization , motion simulation and static force analysis is developed for construction machinery.

上篇在系统总结基于Kane方程的Huston方法的多体系统理论和方法的基础上，侧重于运用该方法解决工程机械领域中的两大主要机型—轮式装载机和液压挖掘机在设计中存在的问题，同时开发研制了可用于对工程机械进行多体系统运动学、动力学分析，优化设计、运动仿真和静力分析的软件包KDOSCM。

This paper analyzes the selection of long-distance water-supply methods in hydraulic engineering, expounds the principles that should be followed in water-supply main trunk, and selects three kinds of water transmission scheme s.

分析了水利工程长距离输水方式选择，论述了输水干线应遵循的原则，比选了3种输水方案。

Therefore, the main spool displacement volume will be able to accurately size and with the current direction changes, leading to hydraulic actuators to control the flow and stress.

因此，主阀芯的位移量就能精确地随著电流的大小和方向而变化，从而控制通向液压执行元件的流量和压力。

Main products: sophisticated type of 4 Shuanggang hydraulic cutting machine series.

主要产品有：精密型四柱双缸油压裁断机系列等。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。