acetylene welding torch
乙炔焊接吹管
热门单词
- a nail in its coffin
- abeyant
- abhorrent
- abrasive wheel cutting machine
- absolute pronoun
- absorbent felt
- absorption lens
- absorption mean free path
- abyssal region
- acceerative
- accelerated goods traffic
- acceptance insurance slip
- accessory food substance
- acclimatize oneself to
- accumulator grid
- acetophen
- acetylacetonate
- achromasie
- achromatophilia
- acid carbonate
- acid coagulation