activity cage
活动笼
热门单词
- absolute gravimeter
- absolute orientation
- Ac = alternating current
- accidental coincidence
- accuse
- acetate spinning machine
- acid blow case
- acid-resistant steel
- acid-resisting material
- acidification
- acmesthesia
- acoustic pick-up
- acoustic reflex
- acoustical delay line
- activated carbon filter
- active energy meter
- acupuncture analgesia
- acupuncture instrument set
- acutifoliate
- acyclic machine
- adaptive narrow-band FM modem
