Take Precautions Against Natural Calamities的意思|示意

防灾 防灾 take precautions against natural calamities 干地生态系统和防治荒漠化方案活动中心 drylands ecosystems and desertification control programme activity centre ..

采取预防自然灾害的措施 采取预防自然灾害的措施 take precautions against natural calamities 水平调节系统出现问题 suspension levellino ..