absorbing column
吸收塔
热门单词
- abdominal surgery
- absolute amplitude
- abulia
- AC manual regulator
- AC servo speed indicating generator set
- AC voltage electromagnetic relay
- acetyl phenol
- acetylene carbon black
- acid-resistant stoneware valve
- acquired immune deficiency syndrome
- acquired immunity
- acromion
- activated petroleum coke
- activation device = trigger device
- active type
- adiponitrile
- adolescent development
- adopt
- adualism
- advanced placement
- aerator tank
