During the day , an array of solar panels power the machine 's filtration system , which pumps fresh oxygen into the water while removing impurities .
白天,太阳能电板阵为该装置的过滤系统提供动力,在往水中泵入新鲜氧气的同时滤去水中的杂物。
And petrol stations should be required to install pumps that blend petrol with ethanol .
并且加油站应该被要求安装混合汽油和乙醇的泵。
Each tank has two redundant fuel pumps , for a total of six .
每个油箱配有两台冗余燃油泵,总计六台。
Electric pumps are like burgers , reckons christian haag . They should be made at the last possible moment and delivered to the client precisely as he specified .