D371X/D71X球墨鑄鐵軟密封對(duì)夾蝶閥
D971X-16電動(dòng)對(duì)夾軟密封蝶閥
D973H對(duì)夾式碳鋼電動(dòng)蝶閥
D371X/71X手動(dòng)鑄鐵對(duì)夾蝶閥
TD371J-16Q脫硫蝶閥
D371X/D71XD371X/軟密封對(duì)夾蝶閥
D71X手柄對(duì)夾蝶閥
D371X/D71XD371X/D71X軟密封對(duì)夾蝶閥
XD371X/XD71XXD371X/XD71X信號(hào)對(duì)夾蝶閥
Ｄ343Ｈ/Ｄ373Ｈ對(duì)夾硬密封蝶閥/彈性硬密封對(duì)夾蝶閥
D941X電動(dòng)法蘭中線(xiàn)蝶閥
D943電動(dòng)對(duì)夾式鑄鐵蝶閥
D671X-10氣動(dòng)中線(xiàn)型對(duì)夾蝶閥
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