hard water
相关英语词汇推荐
- advisor
- alterant
- higher layers (of the stratosphere)
- organohalogen compound
- technological items
- polyaromatic hydrocarbon
- plankton
- pollution control industry
- partially halogenatedb CFC
- automative air conditioning
- trade-off
- alkyne
- ozone reduction
- containment (of solid wastes)
- Environmental Protection Agency (EPA)
- aromatic
- exhaust heat
- temperature inversion
- ITF,IPCC Trust Fund
- aerosol (spray-)can