Makumi masauzande akukhathamiritsa kukwezedwa kwa masamba 'ogawika pakaperekedwe ndi chidziwitso' (kumasulidwa kwa chilankhulo chimodzi | kumasulidwa kwa chilankhulo chonse)
Makumi masauzande akukhathamiritsa kukwezedwa kwa masamba 'ogawika pakaperekedwe ndi chidziwitso' (kumasulidwa kwa chilankhulo chimodzi | kumasulidwa kwa chilankhulo chonse)
Makumi masauzande akukhathamiritsa kukwezedwa kwa masamba 'ogawika pakaperekedwe ndi chidziwitso' (kumasulidwa kwa chilankhulo chimodzi | kumasulidwa kwa chilankhulo chonse)
Galvanized square pipe is a hollow square section steel pipe with a square section shape and size made of hot-rolled or cold-rolled galvanized strip steel or galvanized coil as a blank, cold-bent and formed by high-frequency welding.లేదా ముందుగా సిద్ధపరచబడింది చల్లని స్థాయిత పాయిప్ నుండి చేయబడింది మరియు అప్పుడు హాట్ డిప్ గాల్వానిజింగ్ చేత ప్రాస
