2010-04-16 網干 ガス爆発 http://www.google.co.jp/search?sourceid=chrome&ie=UTF-8&q=%E7%B6%B2%E5%B9%B2%E3%80%80%E3%82%AC%E3%82%B9%E7%88%86%E7%99%BA http://www.google.co.jp/search?q=%E7%B6%B2%E5%B9%B2%E3%80%80%E3%82%AC%E3%82%B9%E7%88%86%E7%99%BA&um=1&ie=UTF-8&tbo=u&tbs=nws:1&sa=N&hl=ja&tab=wn 平野敏右・東大名誉教授:http://www.google.co.jp/search?hl=ja&q=%E5%B9%B3%E9%87%8E%E6%95%8F%E5%8F%B3%E3%83%BB%E6%9D%B1%E5%A4%A7%E5%90%8D%E8%AA%89%E6%95%99%E6%8E%88&lr=&aq=f&aqi=&aql=&oq=&gs_rfai=