Corrugated Pipe Culvert, wani nau'i ne na injiniya da aka saba amfani dashi a cikin siffar nau'in nau'i na nau'i mai nau'i mai nau'i, carbon karfe, bakin karfe, galvanized, aluminum, da dai sauransu a matsayin babban abun da ke ciki na albarkatun kasa. Ana iya amfani dashi a cikin petrochemical, kayan aiki, sararin samaniya, sunadarai ...
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