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r 材质:304r

r r                                                                                                                                                                                                                                                                                                                                                                                         316快速接头A型，B型，C型，D型，E型，F型，DP型，DC型， r

r r 适用于：航空航天、石油天然气、车船机械制造、冶金化工、交通、电力、集中供热、真空、制冷、核能及水力等各项工业领域。 r

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