active volume
活性容积活性体积
热门单词
- a ditch to carry extra irrigation water
- aberration constant
- abnormal cost
- absolute standard
- AC spark source
- accelerator pedal rod
- acceptable terms
- access mechanism
- accident survey
- accommodation note
- account of purchase
- accountant
- accouterment
- accumulation register
- acetocid
- acid resisting concrete
- acid waste water
- acid-resisting paint
- acknowledge character (ACK)
- acoustic directionfinder
- acoustic grating