audio frequency test load是什么意思

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This paper introduces briefly two ways of diesel locomotive load-test :water-resistance load-test and dry resistance load-test,and compares their advantages and disadvantages,It also describes the current situation and development of diesel locomotive load-test.

简要介绍内燃机车负载试验的两种方式:水阻负载试验和干阻负载试验,比较了二者各自的优缺点,描述了机车负载试验的现状及发展。

Method of load continuous regulation by PLC in dry-load test;

干阻负载试验中PLC实现负载连续调节的方法

This paper introduces the contents of overall test of inverter and the method for controlling and connecting the units\'back-to-back test,and expounds the application effect of back-to-back test of inverter units in overall load test.

介绍了变频器整机检验的内容和机组对拖的控制连接方式,论述了变频器机组对拖在整机负载试验中的应用效果。

Design of Dry Resistor Load Test System for Diesel Locomotive and Research on Its Experiment;

内燃机车干阻负载试验系统设计及试验研究

Research on Parameter Measurement Method of New Dry-resistance Load Test Bed;

新型干阻负载试验台参数检测方法的研究

Application of Computer Measurement and Control Technology on Locomotive Resistance-load Testing;

内燃机车负载试验微机测控技术的应用研究

Study on a New Type Load Test of Locomotive Diesel Engine;

内燃机车柴油发动机新型负载试验的研究

The Application of Back-to-back Test of Inverter Units in the Overall Load Test

变频器机组对拖在整机负载试验中的应用

Design of computer measurement and control system for locomotive DC 600 V power load test bench

机车DC600V电源负载试验台微机测控系统设计

testing method of deformation for plastics under load

塑料负载变形试验方法

testing method for stiffness of paper by bending load

纸的弯曲负载下刚性试验方法

Test methods for deformation of plastics under load

GB/T14483-1993塑料负载变形试验方法

testing method for softening under load of firebrick

耐火砖负载软化点试验方法

Studies on load-test of vertical loaded pile with negative skin resistance

承受竖向荷载负摩阻力基桩的静载试验研究

Emergency operation test of windlass/load/start/stop shall be carried out.

进行锚机/负载/起动/停止/应急操作的运行试验。

Research on Loading Methods for Load Cell s Load Characteristic Test;

传感器负荷特性试验的加载方法问题研究

Design of Servo System Loader Simulator in Self-propelled Anti-aircraft Gun Approval Test

自行高炮定型试验随动系统负载仿真器设计

Study on Preparation and Photocatalytic Activity of Fly Ash Cenosphere-supported TiO_2

粉煤灰漂珠负载TiO_2及其光催化活性的试验研究

Research on Controllable Load System in Direct-drive Motor Test Platform

直驱电动机测试平台中可控负载系统实验研究

Field test of influences of load at pile top on negative skin friction behaviors

桩顶荷载对负摩阻力性状影响的现场试验

Test Condition of Relay with Electromotor Load and Computer-Controlled Test Device;

电动机负载继电器试验条件与计算机控制的试验设备