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铜球阀 1/2F*10

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   防冻夹纱管   8x12x100米

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4-4 手提式轴流风机 

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                SF型低噪声轴流风机 4

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排风扇 300mm

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 CF-11型低噪声多翼离心式通风机3.5A

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                      自锁式气动快速

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      通用型快速接头 SP+PP

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BPU   直通   Φ12

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