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法兰接头S-122S-122 法兰接头 FLANGE JOINT |
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25-20 | 25-25 | 32-25 | 32-32 | 40-32 |
40-40 | 50-40 | 50-50 | 65-65 | 80-65 |
80-80 | 100-80 | 100-100 |