Fracture liquid efficiency

Modeling the Efficiency Characteristics of Hydraulic Pump via Neural Networks

液压泵效率特性建模的神经网络方法

Research of Volumetric Efficency Measurement for Hydraulic Pump and Motor

液压泵、液压马达容积效率检测方法的研究

The Analysis of Efficiency in Hydraulic Motor-Vane Pump;

液压电机叶片泵能量转化效率的分析

Reducing non-effective power of hydraulic actuator by variable-speed pumping source

采用变转速泵源降低液压舵机无效功率的研究

Study and Countermeasures on Engine-Pump Power Loss of Hydraulic Excavators

液压挖掘机柴油机-泵环节功率损失分析及对策

Design of Proportion Controller for Constant-power Control of Hydraulic Pump Based on SOPC

基于SOPC的液压泵恒功率比例控制器的设计

Failure Analysis of Fluoroplastic Flexible Hose at the Exit of Major Right Hydraulic Pump of Airplane

某型飞机右主液压泵出口氟塑料软管失效分析

self-contained press

带有液压泵的压制机

Dynamic Uncertainty Evaluation for Efficiency of High-pressure Water Pump System

高压水泵效率测试系统的动态不确定度评定

Efficiency Analysis and Experimental Study of a Piezoelectric Valveless Micropump with Novel Microchannel

新型压电无阀微泵效率分析及试验研究

They are F. O. pumps， L. O. pumps, ballast pumps, fresh water pumps, sea water pumps, and bilge pumps.

它们是燃油泵，润滑油泵，压载水泵，淡水泵，海水泵，和舭部液舱泵等。

This pump is efficient, economical, simple and quite small. It can be built to furnish almost any amount of water against pressure heads of up to 250 feet.

这种泵效率高、经济、简单、体积小，可压送压力水头高达250英尺的水量。

engine-driven hydraulic pump

发动机推动的液压泵

hydraulic oil pump driving device housing

液压油泵传动装置壳体

General specification of hydraulic pumps and motors for ship

GB/T13853-1992船用液压泵液压马达技术条件

Water blending under, pump is bound to cause blended water's circling and high water-bearing of produced liquid, which is bad to enhance oil recovery.

泵下掺水易形成掺入水空循环、来出液含水高，不利于提高开采效率。

Method for solving low volumetric flow rate caused by oil centrifugal force in gear pump;

解决因油液离心力造成齿轮泵容积效率低的方法

Pump Pressure Analysis of the 3NB2200 High Efficiency Well Drilling Pump

3NB2200型大功率钻井泵的泵压分析研究