Electric contact friction and wear  受流摩擦磨损

Electric Contact Abrasion  受流磨损

contact and friction  接触摩擦; 接触与摩擦; 接触及摩擦

FRICTION AND ABRASION  摩擦磨损

Friction and Abrasion Property  摩擦磨损性能

(pressure)gauge with electric contact  电接点压力表

Abandoned Electric and Electronic Equipment  废弃电子设备

Academy of Investigation and Design of Water Resources and Electric Power in Shaanxi Province Xi’an  陕西省水利电力勘测设计研究院

acoustic and electric log  声电测井

AgSnO 2 electric contact material  AgSnO2电触头材料

AgSnO2 electric contact material  AgSnO2电触头

alternating electric and magnetic field  交变电磁场

and Electric guardrail  周界报警

Anhui Investigation Design and Research Institute of Water Conservancy and Electric Power  安徽省水利水电勘测设计院勘测分院

application and electric circuit  应用与电路

applied magnetic and electric fields  外加磁场和电场

Arc Surface Electric Contact  弧形电触头; 弧形触头

auto charging and electric system repairing shelter  汽车充电及电器修理方仓

characteristics of mechanical and electric  机电特性