acetylene welding
气焊乙炔焊乙炔焊接
热门单词
- absolute task set
- accelerating pressure gradient
- access cover
- accessory pulsatory organs
- accidental convergence
- account of bankruptcy
- accumulated deformation
- aching all over the head
- acid digestion analysis
- acid fuchsin stain
- acid lined cupola
- acid salt
- acidophilic bacteria
- acidum aceticum
- acidyl
- acoustic horn
- acoustic propagation coefficient
- acoustic reactance
- acousticogyral illusion
- acoustoelectric power ratio
- acquisiting cobweb sample
