acetylene welding
【机】 乙炔熔接
热门单词
- a man of mould
- a.m.
- able-bodied
- abnormal exit
- absolute accommodation
- absolute rent
- absorptiometric analysis
- abuse a privilege
- ac shunt motor
- accept bail
- access cycle
- accidental image
- acclivous
- account officer
- accounting for external reporting
- accounts receivable factoring
- accuracy control character
- acetaldehyde resin
- acethydroximic acid
- acetosoluble
- acetylenic thioether