document.writeln('

 缓冲管 8*13*5米

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        BX喷涂管   Φ8x13

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                三胶两线双连管

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            BPU 直通 Φ12

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快拧 PC 10-03

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                             二路 快

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 风炮接头  SF+PM 

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 风炮接头 SH+PH

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');