熟女少妇精品一区二区_亚洲国产精品无码久久_精品国产AV色欲果冻传媒_亚洲国产精品毛片AV不卡在线

PRODUCT

HD74 1/3X (H) Hydraulic Control Slow Closing Check Butterfly Valve

The HD74 1/3X (H) hydraulic control slow closing check butterfly valve is mainly installed at the inlet of the water turbine in hydropower stations and used as the inlet valve of the water turbine; Or installed at the pump outlet of various pumping stations such as water conservancy, electricity, water supply and drainage, to replace the function of check valves and gates.
TEL0577-6733 0555

Product Details




熟女少妇精品一区二区_亚洲国产精品无码久久_精品国产AV色欲果冻传媒_亚洲国产精品毛片AV不卡在线