active catch (阀门分配机构的)
活动挡
热门单词
- Abbe apparatus
- Abegg's rule
- ability to sell
- absolute calibration
- absolute cost advantage
- absorbed dose
- absorbed expenses
- accept a commission
- acceptance criterion
- accessory thymic nodules
- accretion by neutron star
- accumulate at interest
- accumulator separator
- acellular gland
- acetone resin
- acid-resistant steel
- aciform
- acoustic tube
- acousto-electric pressure ratio
- across-the-line motor
- acrylaldehyde
