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港珠澳大桥钢管桩 Pile pipe for Hong Kong-Zhuhai-Macau Bridge |
香港国际机场输油管 Oil transportation pipes for Hong Kong International Airport |
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香港西铁工程水管 Water pipe project fo KCRC West Rail,Hong Kong |
香港水务处工程项目内外防腐管 Internaland extermal coated anti corrosion pipes for Hong Kong WSD projects |
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机械切削管端、保证管端切斜、平面度 |
九运会体育馆用冷气管 |
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