activity file
活动文件
热门单词
- absolute activity
- absolute seasonal fluctuation
- AC point machine
- acacia gum
- accelerate
- accounting of subordinate units
- accumulator car
- acetone-methylene chloride solvent
- acetyl valeryl
- acid-resistant steel
- acidum iopanoicum
- acknowledge
- aconite
- acoustic oscillograph
- acquired tolerance
- acrostichal bristles
- actinograph
- activating carburizing
- active catch (阀门分配机构的)
- active matter
- active material