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URL title: 什么是盘管？_江北弯管加工厂
URL description: 望文生义是一种呈螺旋状的管道系统。如呈盘状的铝塑管,如呈回字型装置的地暖管盘等等。
URL keywords: 什么是盘管？
URL last crawled: 2023-01-06
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