document.writeln('

管道型 BLSA 4

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                    Y 型三通  BPY 16

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            T型变径 BPEG 10-8-10

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       直通   BPU  Φ8

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                   工业级  三胶二线高

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通用型PU气动软管(塑料盘)Φ8x12

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');