单词	作辛苦工
释义	同DRUDGE
随便看	digital synchronometer digital synovial sheath digital synthesizer digital system digital system bandwidth digital system cross-connect switch digital system fault diagnosis digital system fault tolerance digital system impairment digital system processor digital systems digital systems products digital system testing digital tablet digital tape digital tape recorder digital tape recording system digital tape recording system {=dtrs} digital target digital techology digital telemetering digital telemeter transmitter digital telemetry digital telephone network digital telephone switching service