
| 20#/GB8162結(jié)構(gòu)管規(guī)格 | 89X8 | 4300 |
| 20#/GB8162結(jié)構(gòu)管規(guī)格 | 89X10 | 4400 |
| 20#/GB8162結(jié)構(gòu)管規(guī)格 | 95X4.5 | 4100 |
| 20#/GB8162結(jié)構(gòu)管規(guī)格 | 95X5 | 4100 |
| 20#/GB8162結(jié)構(gòu)管規(guī)格 | 95X5.5 | 4100 |
| 20#/GB8162結(jié)構(gòu)管規(guī)格 | 95X6 | 4100 |
| 20#/GB8162結(jié)構(gòu)管規(guī)格 | 95X8 | 4100 |