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冶金除鳞系统用喷射阀
Minimum flow valve for metallurgy descaling system
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水封逆止阀
Water-sealed check valves
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氧化铝疏水专用阀
Alumina hydrophhobic special valves
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石油、天然气工业用清管阀
PIG Valve for petrroleum and natural gas industries
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低阻力倒流防止器
Low-resistance backflow preventer
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波纹管密封钢制截止阀
Bellows sealing steel globe valve
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旋转阀 技术条件
Specification of rotary valves
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针形截止阀
Needle valve
价格：￥0.00
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高炉TRT系统用快速切断蝶阀
Quick cut-off butterfly valves for BF TRT system
价格：￥0.00
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