计算机硬件 计算机维护 释文 file checking program 文件检验程序
- electric saturation
- electric separation
- electric servo system
- electric shears
- electric shield and magnetic shield of generator
- electric shock
- electric shock resistant protector
- Electric Sound
- electric source
- electric space propulsion
- electric sparker
- electric spark seismograph
- electric spark strengthening
- electric spectrophotometry
- electric sprayer
- electric stability of drilling fluid
- electric streamline
- electric submersible pump completion strings
- electric substitution radiometer
- electric susceptibility
- electric system of wind turbine system
- electric temperature measurement
- electric thawing equipment
- electric thruster
- electric tool