When sewage disposal engineering runs and contacts corrosive substances in gaseous or liquid state, its construction will be destroyed and influenced its function.
污水处理工程在运行中经常受到气、液相腐蚀介质的破坏，严重地影响其使用功能和结构安全。
When sewage disposal engineering runs and contacts corrosive substances in gaseous or liquid state, its construction will be destroyed and influenced its function.
污水处理工程在运行中经常受到气、液相腐蚀介质的破坏，严重地影响其使用功能和结构安全。
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