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20#/GB8162結(jié)構(gòu)管/天津無縫管價格查詢
20#/GB8162 | 21X1.5 | 8200 | |
20#/GB8162 | 21X2 | 8200 | |
20#/GB8162 | 21X2.5 | 8200 | |
20#/GB8162 | 21X3 | 8200 | |
20#/GB8162 | 21X3.5 | 8200 | |
20#/GB8162 | 21X4 | 8200 | |
20#/GB8162 | 21X4.5 | 8300 | |
20#/GB8162 | 21X5 | 8300 | |
20#/GB8162 | 21X5.5 | 8300 |
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