acetylene welding torch
乙炔焊炬乙炔接焊吹管
热门单词
- abnormal puerperium
- abscess on both sides of the prominentia laryngea
- absolute luminosity
- absolute utility
- acaricide
- accelerated aging of lake
- accentuation
- acceptance bank
- access frequency
- accessible state
- accomodation reflex
- accordant fold
- accounting for discontinued operations
- accredit
- accumulating type heat exchanger of revolution
- accumulator plate
- acetaldehydase
- achromatic color
- acid
- acid blowcase
- acid embossing of glass