描述
citric acid
baking soda
fire triangle
science
heat
co2
科學套裝 – 滅火拍檔
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steam
air pressure
citric
acid
baking
soda
fire
triangle
science
heat
co2
kinetic energy
science
force
heat
Ask for Quote
steam
air pressure
citric
acid
baking
soda
fire
triangle
science
heat
co2
kinetic energy
science
force
heat
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