例句 /

Recycling waste for agricultural purposes by using oxidation ponds and aerated lagoons does not require as much land as is often assumed; however, the land requirement of oxidation ponds is a stumbling block for their use—particularly I urban areas.

Recycling waste for agricultural purposes by using oxidation ponds and aerated lagoons does not require as much land as is often assumed; however, the land requirement of oxidation ponds is a stumbling block for their use—particularly I urban areas.

再使用的废物用于农业,以氧化池及曝气泻湖仍不能到达土地所要的程度;不论如何,针对土地所要求之氧化池对于他们是个失策的阻碍—特别在都市地区。