acetylene burner
乙炔焊枪乙炔燃烧器乙炔燃烧器乙快焊炬
热门单词
- abrasive chip
- abutilon fibre
- acetylated phenolic fibre
- acid lixiviant
- acid-proof pump
- acieration
- acquired alexia
- acrylic baking paint
- actinomorphic flower
- active analytic psychotherapy
- active mode locking
- activity concept
- activity level method
- actual flow velocity
- adapter bush
- addendum angletip angle
- address designator
- adenine
- adhesive for denture
- adiabatic coefficient
- administrative measure