active gases
活性气体
热门单词
- abnormal weather
- above cut method
- absolute endorsement
- absolute standard barometer
- abstract system
- accelerator
- accelerator rod
- acceptable quality level
- accounting form
- acetate dye
- achromatic ocular
- aciculignosa
- acid-free oil
- acid-proof
- acid-resistance
- acid-resistant ceramic jet pump
- Acme thread tap
- acoustic(al) altimeter
- acoustic(al) resonance
- acquisition time
- acridan
