D941X-10-500污水用远控电动蝶阀

D941X-10普通软密封电动蝶阀

D971F-10电动对夹凸耳式蝶阀

D973H-10凸耳式对夹电动蝶阀

D941X-10-DN500污水用远控电动蝶阀

D971F-16电动对夹凸耳式蝶阀

D941X-10-污水用远控电动蝶阀

D971X-10电动对夹凸耳式蝶阀

D941X-16Q-DN50污水用远控电动蝶阀

D971F-10Q电动对夹凸耳式蝶阀

D941X-10污水用远控电动蝶阀

D941X-16Q污水用远控电动蝶阀