carbon emission intensity
Carbon Carbon Composites
炭/炭复合材料
碳/碳复合材料
C/C复合材料
CC复合材料
Carbon carbon double bond
carbon emission abatement
Carbon Emission Assessment
Carbon emission permits
Carbon emission reduction
carbon emission reduction potentials
carbon emission rights market
Carbon Emission Trading
the value of total carbon emission
total amount of carbon emission
unsaturated carbon carbon bond