The trickling filter and activated sludge efficiencies cited required primary sedimentation and effluent circulation . 列举的生物滤池与活性污泥法的效率需要初次沉淀和回流。
The trickling filter and activated sludge efficiencies cited required primary sedimentation and effluent circulation . 列举的生物滤池与活性淤泥法的效率就需要初次沉淀和回流。
Silver pigeons lighted briefly on the heads of the lions or the rims of fountains, and strutted along the walks . 银白色的鸽子飞落在石狮的头上或喷泉池的边上，然后沿着走道神气活现地蹦跳着。
Jones has reported the use of a holding pond and controlled discharge of chloride waste, where underground disposal was prohibited . 琼斯报道了在禁止地下处置的情况下，采用收集池和控制含氯化物废水的排放。
The swans had gone out on to the opposite bank, the reeds smelled sweet, a faint breeze touched the skin . 水中的白天鹅已经爬到了对面的岸上，池边的水草散出阵阵沁人心脾的芳香，微风轻轻拂身而过，令人陶醉。
Nearby, along the serpentine, children happily fed ducks which competed for water space with splashing bathers . 附近，沿着曲折蜿蜒的水池，孩子们兴高采烈地向池里的鸭子投食，那些鸭子同凫水的游泳者们竞争着水面。
High density low temperature liquids settle to the bottom and remain in the tank for longer periods of time, thereby negating the advantages of equalization . 密度高，温度低的废水沉在底部并在池中停留较长时间，这样就失去了均衡的效益。
The slides are first cleaned ultrasonically several times in alternate baths of trichlorethylene and acetone, and are then scrubbed with a mildly abrasive detergent . 首先，把载片轮流放在三氯乙烯和丙酮溶液池中，用超声清洗若干次，然后用一种中极的研磨去垢剂擦洗。
How to : specify identity application pool settings 如何：指定标识应用程序池设置
Walk through the shower bath and footbath before swimming 要经过水帘及洗脚池！
