常见例句Crack Detection for Main Steam Tube Hole of Unit 1 in Douba Power Plant 豆坝电厂1号机主蒸汽管孔裂纹检测To Built Added Sub dam by Ash in Tongguanxi Ash Pond in Douba Power Plant 豆坝电厂铜罐溪灰场用灰渣加筑子坝 返回 Douba