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2 ضȣ-80桪+450
3 QͨDN15DN600
4 QPN1.05.0Mpa
5 m˜ʣHG20592-97ҲɰÑҪ죩
6 w|(zh)A3304304L316316L
7 ܷϣķϩzʯz
8 zy˜ʣHGJ532-91