计算机硬件 计算机工程设计 释文 system ground 系统地
- De Clavasio
- declension
- declension imitation
- declination
- declination axis
- declination circle
- declination compass
- declination /inclination magnetometer
- declination parallel
- declination photography
- declination setting circle
- declinatoire
- decline curve type of gas wells
- decline cycle
- decline phase
- declining phase
- declinometer
- declivity
- declutch
- DECO
- decoagulant
- decocted earlier
- decocted later
- decocted separately
- decocting