acetylene generator
乙炔发生器
热门单词
- absolute difference
- absorbent filter
- absorbent system
- accessory pulsatory organ
- accidental homosexuality
- acetanilide powder
- acetylenic compound
- acid geochemical barrier
- acid-proof asphalt varnish
- acid-proof gloves
- acoustic storage
- acquired distinctiveness of cues
- acroleic acid
- acrosyndesis
- actin rehulatory protein
- address stamp
- adhesion-promotion yarn
- adiabatic atmosphere
- adjustable varying-speed motor
- adult basic education
- advanced generation
