raundo-teburu-b-jissen-jo-no-shomondai-ni-kansuru-hokoku-sho-%e3%83%a9%e3%82%a6%e3%83%b3%e3%83%89%e3%83%bb%e3%83%86%e3%83%bc%e3%83%96%e3%83%ab-b-%e3%80%8c%e5%ae%9f%e8%b7%b5%e4%b8%8a%e3%81%ae