acoustic sounder
回声测深仪回声探测器
热门单词
- a given period
- abdominal respiration
- abnormal course of eustachian tube
- absence-of-ground searching selector
- absolute threshold
- absoluted profit
- absorbent paper
- abstraction
- abstractor
- abulia
- AC exciter
- AC rectifying type rectangular instrument
- accelerated gene
- accelerating factor
- accelerator jet
- access door
- accessory agent
- acclimated microorganism
- accommodation bill of lading
- acetal resin
- acetone resin
