acetylene torch
乙炔燃烧器乙快焊炬
热门单词
- abstract set
- accelerometer
- acceptor atom
- acceptor level
- achromatic body
- acid lined converter
- acid proofing mortar
- acidum carbolic
- acquired trait
- action center of the atmosphere
- active precursor
- activist psychology
- adamkiewitz reaction
- adaptation trial
- adaptive character
- adaptive significance
- adding machine
- adding storage register
- adhesive bond strength tester
- adipic aldehyde
- adjustable pitch propeller
