document.writeln('

                                    

00

                   L型二通   BPL  12

00

  L型节流 BSL 4-02

00

   L型节流 BSL 4-01

00

                               BPC螺

00

                              BPC螺纹

00

                                    

00

                                 通用

00

                     通用型         

00

                                    

00

');