电动砖墙铣沟机

forming electric connections by SCREWING

electric-pneumatic heat absorption-dispersal refrigerator

TEM mode【电子】;transverse electric and magnetic mode【电子】;transverse electromagnetic mode【电子】

dental electric drill car

elementary electric charge

electroslag remelting plant (electroslag refining plant) heating by electric arc

ROTOTROLS used for controlling electric machines

casting out nines (casting-out-nines) error detection in electric digital computers