action period
作用周期
热门单词
- a good sire
- a water bath system
- abdominohysterectomy
- abnormal weather
- abrasion resistance index
- absolute damping
- absorption index
- absorption tissue
- Abt track
- abundance broadening
- AC system
- acceptable numbering
- acceptance value
- access address
- accident at sea
- accordant summit level
- accumulation of electric energy
- accumulator carriage
- accuracy in computation
- Acetobacter
- acetone cyanohydrin
