常見例句Crack Detection for Main Steam Tube Hole of Unit 1 in Douba Power Plant 豆壩電廠1號(hào)機(jī)主蒸汽管孔裂紋檢測To Built Added Sub dam by Ash in Tongguanxi Ash Pond in Douba Power Plant 豆壩電廠銅罐溪灰場用灰渣加筑子壩 返回 Douba