acceptable fire risk
容许的火险
热门单词
- abrasive segment
- absinth
- absorptive amount
- abstract knowledge
- accidental resemblance
- accumulated value
- acetanilide powder
- achromatic telescope
- acorn kernel meal
- acoustic hair cell
- acoustic intensity unit
- acoustic transponder
- acoustooptical q switch
- acriflavine
- acrox
- acrylic electro static spraying baking varnish
- acrylic semi-gloss water soluble baking paint
- act of faith
- activated carbon fibre
- active acetate
- active learning
