sinking shaft

用法例句

In the reconstruction project of Nan erhuan Road of Hefei City,methods such as adopting SFRC and lining steel plate below the shaft crib can well solve the common failure——subsidence of shaft crib in the traffic lane.

结合合肥市南二环改建工程实际,施工中采用钢板衬垫及钢纤维混凝土等方法,较好地解决了行车道井圈下沉这一质量通病。

Simple analysis of the drop-down of mine-shaft neck and its rectification;

浅析竖井施工中井颈下沉及矫正

The Application of YDZ(A)Borehole Direct Electrical Instrument in Anyang Zhujiao Coal Mine

YDZ(A)井下直流电法仪在安阳主焦煤业的应用

DC Examination and Selective Leakage Protective System in Underg round LV Distribution Network

井下低压电网直流检测式选择性漏电保护

Research on Oil-Well Brushless DC Motor Driving System;

油田井下无刷直流电动机驱动系统的研究

Application of the mine direct electrial in the coal water disaster forecast

矿井直流电法在煤矿水害预测中的应用

Hazard Analysis of Capacitive Current in Coal Mine and Control Method

电网电容电流在煤矿井下的危害分析及控制方法

Application of DC Electrical Methofd to Slide Groundwater Investigation

直流电法在滑坡地下水调查中的应用

Primary theory on the mine direct current method to pilot predict sphere structure and study on san trough simulation experiment

矿井直流电法超前预报球体构造的初步理论及沙槽实验研究

Overloading Fall Accident Prevention of DC Drive Mine Hoist

矿井直流提升机重载下放事故的预防

Caculating DC Electric Logging Response Using Fourier Hankel Transform

用傅里叶汉克尔变换计算直流电测井响应

Power Harmonic Analysis and Measurement of Mine DC Hoisting System

矿井直流提升系统网侧电力谐波分析与实测

Automation and Information of Main Coal Mine Well Hoist Control System

煤矿主井直流提升机电控系统自动化与信息化

Study on the Modeling and the Hydromechanics of the Fluid in the Auto Anti-Deviation Drilling System;

自动垂直钻具井下流场建模及受力分析

tension electric process

电流直接加热淬火法

Research on Suppression for Diode Freewheeling of Inactive Phase in High-speed BLDCM Using PAM Strategy

PAM调制方式下高速无刷直流电机非导通相续流抑制方法研究

Research on the optical measurement of the gas phase flow rate in borehole multiphase flow

光学法测量井下多相流中气相流量的方法研究

Research and Application of Temperature Distribution for Two-Phase Flow in Vertical Pipes;

垂直井筒两相流温度场计算方法研究与应用

The Research of the Phase Flowrate Measurement with Ultrasonic Method in Multi-phase Flow Downhole;

多相流分相流量井下超声检测方法研究

Modification of the DC Leakage Method for DC System Insulation Monitoring

直流系统绝缘监测的直流漏电流法改进方案