As part of a global programme, 89 ozone-depleting substances are under legislative control.

此外，又对89种消耗臭氧层的物质实施法例管制，以配合全球的行动。

youdao

As part of a global programme, 89 ozone-depleting substances are under legislative control.

此外，又对89种消耗臭氧层的物质实施法例管制，以配合全球的行动。

youdao