单词	集中磨刀
释义	集中磨刀 centralized tool grinding
随便看	pollution of pcbs pollution of pesticide Pollution of pesticides pollution of plant nutritions pollution of reservoir pollution of river pollution of sea pollution of sea by oil Pollution of sea by ship pollution of seawater Pollution of Ship's Antifouling Paint Pollution of Ship's Noise pollution of single element pollution of smoke from burningcoal pollution of soil heavy metals pollution of sulfuric acid pollution of synthetic detergent pollution of the air pollution of the atmosphere pollution of the environment Pollution of the interior pollution of the sea pollution of the sea by oil pollution of the water resources pollution of underground aquifers