大家在查：亚辛·拉马丹 Rizvi 皮尔斯·布鲁斯南 15.6incher JoeCelko ZK60 1928-- qhjr 成本需要 retentate

2010年156亿

But in 2010 some 15 . 6 billion gallons of water were used in the process; about 15% of what the state uses for livestock each year.