您要查找的是不是：
- CO2气体CO2
- CO2气体交换gas exchange
- CO2气体通量the gas flux of carbon dioxide
- CO2气体传感器CO2 gas sensor
- CO2气体微环境CO2 gaseous micro-environment
- CO2气体保护自动焊CO2 gas shielded automatic welding
- 药芯焊丝CO2气体保护flux -cored wire
- 空气受到了有害气体的污染。The air is infected with noisome gases.
- 氦气是惰性气体。Helium is a noble gas.
- CO2carbon dioxide
- 煤气是有毒气体。Gas is a poison.
- CO2源carbon dioxide source
- CO2焊CO2 welding
- 液体或气体燃料Liquid or gaseous fuels
- 富CO2elevated CO2
- 有害气体治理abatement of noxious gases
- CO2驱CO2 drive
- 反相气体色谱inverse gas chromatography
- 注CO2CO2 injection
- 气体动力学说kinetic theory of gases
