信号蝶阀的简单介绍信号蝶阀是引进国外先进技术而自行开发的中线型蝶阀,信号蝶阀具有结构简单,密封可靠,开启轻便、寿命长、维护方便等优点。信号蝶阀的详细信息一、信号蝶阀主要技术参数
二、信号蝶阀主要零件材料
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