CO2 is easier to be tied up in our blood and thus, when the dry ice sublimes into CO2 gas, it fills the car room with it along with the air con circulation and caused CO2 poisoning.

 
  • 当干冰溶化时,二氧化碳便变成气体,如果人体吸人这种有毒的气体,我们就会中毒。
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