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