acquired need
习得需要
热门单词
- absence of mind
- absorption EPR spectrometer
- abstract attitude
- abutting tenon
- acanthoma
- acceleration time
- accent light
- accident boat
- accumulator switch
- acetyl bromide
- acetyl cellulose film
- acetylsulfalene
- acid proof
- acid proof coating
- acid-proof casting
- acidic refractory
- acropathy
- acrylic and wool blended cap
- actinometer
- activated rosin flux for wave soldering
- active agent
