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架子管一米多少公斤_家居日记
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架子管一米多少公斤

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架子管一米多少公斤 通常架子管的外径为48毫米，长度为6米，壁厚有2.5、2.75、3.0、3.25、3.5毫米等。根据架子管公式(外径-壁厚)乘以壁厚乘以0.


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