Cov yam ntxwv ntawm PE Dej Khoom Yeeb: Piv nrog cov kav hlau tsoos thiab ntau lub zog yas, zoo corrosion, zoo corrosion, zoo corrosion thiab rwb thaiv tsev ua haujlwm, yooj yim rau xim , thiab yooj yim rau kev tsim. Piv nrog rau cov kav hlau steel, tus nqi tuaj yeem txo qis li ntawm 12 feem pua, lub sijhawm ua haujlwm yuav yog 50a (feem ntau 20a rau cov kav hlau), thiab cov nqi kho mob tsawg. Hauv qee thaj chaw txawv teb chaws, PE cov kav dej suav nrog ntau dua 90 feem pua ntawm cov kav xa hluav taws xob hauv nruab nrab, thiab 60 feem pua ntawm cov lag luam sib koom hauv cov kav dej, thiab cov teb chaws txawv teb chaws tau tsim cov qauv tsim tshwj xeeb rau cov kav dej PE.
