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橡塑棉规格|化学视窗
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  • 橡塑棉规格 -

    橡塑棉规格 -

    前言:橡塑保温材料一般选多厚的?板材常见的分10mm,20mm,25mcm,30mm厚,9-10m长。 管材常见管径从6-108mm,厚度9,15,20,25,30mm。 具体厚度可由需方...

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