短語詞組短語Building Physical Collapse 建築形躰收building sudden collapse 建築物突然倒塌width of building total collapse 倒塌率寬度building collapse rate 建築倒塌率building collapse ratio 建築物倒塌率Prevent Building Collapse 防止建築物倒塌building collapse accident 建築倒塌事故struck building collapse 被建築物倒塌擊中 返回 building collapse