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2020年10月27日—Drypipesprinklersystemsareidealforenvironmentswheretemperaturesdropbelow40⁰Fsincethepipesdonotholdwater.Thesefiresafety ...,A.Wet-PipeSprinklerSystem:Automaticsprinklersareattachedtopipingcontainingwaterandthatisconnectedtowatersup...
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2020年10月27日—Drypipesprinklersystemsareidealforenvironmentswheretemperaturesdropbelow40⁰Fsincethepipesdonotholdwater.Thesefiresafety ...
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