球墨鑄鐵管的維護
2024-11-15
1.定(ding)期檢(jian)查管(guan)(guan)道(dao)狀態：定(ding)期檢(jian)查管(guan)(guan)道(dao)的外(wai)觀(guan)、連(lian)接部(bu)位和內部(bu)情(qing)況，確保管(guan)(guan)道(dao)沒有裂縫(feng)、銹蝕或其(qi)他損(sun)傷(shang)。檢(jian)查管(guan)(guan)道(dao)周圍的土(tu)壤和環境情(qing)況，防止土(tu)...
