acoustical insulation
隔声
热门单词
- absorber pump
- AC self-rectifying wet-type valve
- acetate-viscose blend
- acid ink blue
- acidometer
- acidproof gloves
- acrylic fiber blend
- active complex
- actively mode-locked short pulse ruby laser
- actuate
- add-on memory
- additive factor
- adiabatic curve
- adjustable speed motor
- adjusting magnet
- Adlerian psychotherapy
- adrenoreceptor
- adulteration
- advanced labor
- adverse wind
- Aeress
