active chlorine
活性氯有效氯
热门单词
- a hard nut to crack
- AAUP
- abinitio
- about-ship
- abrasive powder
- absolute instability
- absolute Ythmoment
- academic discipline
- academic handicap
- accelerating lens
- accelerating space
- acceptability of color matches
- acceptable dosedose
- accessibly
- accommodating
- accumulative ledger
- acentric
- acetone
- acetylene gas bottle
- acid cooler
- acid corrosion
