acoustical telegraphy
声频电报
热门单词
- abnormal steel
- abrasion wear test machine
- absorbing capacity
- abstract data structure
- accelerated angina
- accelerated hypertension
- acceleration nozzle
- acceleration stress
- accelerator linkage
- accented contour
- acceptor density
- accident neurosis
- account duty
- account party
- accretionary boundary
- accumulator addressing
- acetal copolymer
- acetylene welding
- acetylene welder
- achromatophilia
- acid dilution