接待她的主人举行了节日庆典，然后，带她看了水坝——八英尺高的沙和混凝土结构，圈住并过滤能够全年供应的饮用水。
Her hosts held a festive celebration, then showed her the dam, an eight-foot-high sand-and-concrete structure that traps and filters water so that it's available and drinkable year-round.
我公司是世界上最大的轧过滤介质供应商之一。
Industrial Filters is one of the world's largest suppliers of rolled filter media.
检查所有供应管线和过滤器是否有故障，确保有足够的水供给到水泵进口。
Check all supply lines and filters for obstruction and ensure that you have an adequate supply of water to the inlet of the pump.
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