access cover
检修盖
热门单词
- abrasion tester
- absorption point
- AC electric motor
- acceptable damage
- accidental fluctuation
- achromatic
- acid blue black
- acid brilliant fuchsine
- acid-restoring plant
- acidometer
- acrylic water soluble baking varnish
- acrylic-wool blended yarn
- actinomorphic flower
- actual gas = real gas
- acupuncture anaesthetic press-needle
- adamkiewitz reaction
- adaptation syndrome
- adaptation trial
- adaptive system
- adaptor ring
- addendum
