fortified zone meaning in English
设防地带
Examples
- The power station is situated in the area of 8 earthquake fortified zone , the fourth sand layer are probably liquefied and the second sand layer are not liquefied in the situation of 7 , 8 earthquake . however the security index of anti - liquefying of second sand is not very high in the situation of 8 earthquake
地基中间隔存在第和第层两层浅灰黄色砂层，均系堰塞湖相沉积物，电站处于8地震设防区，在7 、 8地震情况下第层砂层均有液化的可能；第层砂层均不液化，但在8地震情况下砂土抗液化的安全系数不高。