破坏臭氧层的化学物质 meaning in Chinese

ozone depleting chemicals

Under the 1987 montreal protocol , more than 180 signatory states have committed to phasing out the use of nearly 100 ozone - damaging substances , and hopefully this action is actually bearing results in a recovering ozone layer
1987年议定的蒙特利尔公约中， 180馀国签署同意逐步淘汰使用约100种会破坏臭氧层的化学物质，希望这项举动是造成此次臭氧层修复的主因。