URL details: www.gooleballvalve.com/prolist_t35.html

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URL title: 双联球阀-DBB双联球阀厂家-永嘉工奥阀门有限公司
URL description: DBB双联球阀的结构为双联L形浮动三通球阀。该种球阀用一个手柄或蜗轮蜗杆手动装置。操纵两台L形三通球阀，两台动作必须完全同步，使一台处于开启状态，另一台处于关闭状态。
URL keywords: 双联球阀
URL last crawled: 2022-06-29
URL speed: 0.213 MB/s, downloaded in 0.100 seconds

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