【单选题】There is no way to ventilate the direct burning of biomass as fuel without diffusing carbon dioxide and other greenhouse gases into the atmosphere.
【单选题】There is no way to ventilate the direct burning of biomass as fuel without diffusing carbon dioxide and other greenhouse gases into the atmosphere.
【单选题】There is no way to ventilate the direct burning of biomass as fuel without diffusing carbon dioxide and other greenhouse gases into the atmosphere.