document.writeln('

                一字直通 #8

00

              直通 BPU 6

00

                 内螺纹直通 BPCF 6-0

00

                                    

00

                                    

00

                                    

00

                         自锁式气动快

00

                               Y型变

00

                                   Y

00

               T型三通  BPE φ12

00

');