【计】 electronic calculation punch
electron
【化】 electron
【医】 e.; electron
calculate; compute; cast; count; figure up; calculation; computation
【计】 calc; calculating; computing; tallying
【经】 calculate; calculation; computation; computing element; reckon
reckoning
【计】 perforating machine; perforator
【化】 perforator; puncher
【医】 perforating machine