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pp风管安装方法|化学视窗
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  • pp风管安装方法 - pp管安装详细步骤

    pp风管安装方法 - pp管安装详细步骤

    前言：PP风管如何正确安装1、PP风管与支架之间，应垫入厚度为0.3～0.5厘米塑料垫片。 2、PP风管支架间距一般为1.5～3米。 3、搬运PP风管应轻搬轻放，避免摔碰...

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