The return on capital was also a good deal higher in the intensive orchard. 集约果园的资金回收率也显著高。
Speeding up the reduction of ZnO with control of the reduction of FeO is the key subject for increasing the ZnO recycling rate. 如何加快氧化锌的还原分离而抑制氧化铁的还原及聚集长大将成为提高氧化锌回收率的关键。
