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浦发银行石家庄分行成功举办2018年职工运动会

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钢套钢直埋蒸汽保温管价格

抽真空装置彻底解决了空气层结构存在的每隔50-60m,必须设置一对排潮管的问题,极大地降低了外套管的破损率,使管道沿线更加美观。同时,降低了由于设置排潮管而增加的造价约50/m。

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直埋保温管厂家(陕县ok)

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