短語詞組短語natural railway disaster 鉄路自然災(zāi)害Natural -Disaster 自然災(zāi)害natural l disaster 自然災(zāi)難;自然災(zāi)害natural ? disaster 自然災(zāi)害mine natural fire disaster 煤鑛自燃火災(zāi)natural fire disaster 自燃火災(zāi)natural E disaster 自然災(zāi)害natural geological disaster 自然地質(zhì)災(zāi)害International Natural Disaster Reduction 國際減災(zāi)害 返回 natural disaster