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请问室外埋地热水管一般用什么管材啊？ - 工程设计 - 项目管理 - 氿上知道
返回顶部
满意答案
二、室外埋地采暖热水管：供回水均采用无缝钢管。
三、埋地管的保温及保护层：要求防水、防腐，保护层要求有一定的强度。
城市的精灵
回答于：2014-01-17
共2条回答