The heat is then stored in water-filled tanks or concrete.
然后将热量储存在装满水的容器或混凝土中。
Arranged in barrels of concrete or plastic, these biosand water filtration systems (BSFs) remove 95 to 99 percent of the bacteria, viruses, worms and particles contained in rain or surface water.
通过混凝土桶和塑料桶的处理,生物沙子饮用水过滤系统可以净化95%到99%的细菌、病毒、蠕虫、雨水或者地表水污染颗粒。
The water would exert less pressure on the oil and gas down below, which is why it was important that 【concrete seals】 were in place to avoid any blowout.
因为海水对石油以及井下的天然气造成的压力更小,所以为避免任何喷发,及时用【海水代替泥浆】封堵井口是至关重要的。
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