惊飞花 发表于 2012-12-7 11:53:29

求J41H-40,J41H-16C,A41H-10C,A41H-25,A41H-100,的法兰连接面?限凹凸面,谢谢

求J41H-40,J41H-16C,A41H-10C,A41H-25,A41H-100,的法兰连接面?限凹凸面,谢谢,还有法兰盖的一般连接面,限凹还是凸,谢谢大神
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