The main function of a industrial system is
A、Promotethecirculationofsubstance,energyandvalueintheindustrialsystem;
B、Convertingnaturalresourcesintoservicesorproductsthatmeetspecifichumanneeds;
C、Affectingthenaturalsurfaceenvironmentsystem;
D、Affectingthespatialdistributionofmatterandenergyontheearth'ssurface
发布时间：2024-09-12 23:08:08
