document.writeln('

                          普通美式胎

00

                    BPE   T型三通  1

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                            BPE   T型

00

直通变径  BPG 12-8

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                      工业级三胶二线

00

             直通变径 BPG 12-10

00

 直通变径 8-6

00

螺纹直通   BPC  8-01

00

                   铁接头

00

');