电动塑料蝶阀(RPP,UPVC,CPVC,PVDF),D971X-10S，D971X-1.0,D971X-1.6,D971X-1.0C,D971X-1.6C

4-18




65


2 1/2


47.5


70


139.44


140


145


185


113


4-

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