abandon patent
放弃专利权
热门单词
- 2nd titanium cooler
- absolute blood count
- absolute photoelectric magnitude
- absolute position
- absorption line
- abutment load
- AC commutatorless and brushless motor
- AC gas tungsten arc welding
- accelerating machine
- access-control scheme
- accident fault (defect)
- accordant summit level
- accounting rate of return
- accreting plate
- acephalostomia
- Aceraceae
- acetamide chloride
- acid pickle
- acknowledgement
- acoustical behavior
- acoustical measurement