hydraulic control butterfly valve
...液控蝶阀；水泵；水锤；管网 [gap=1069]Key words: control valves, multifunction, water force valves, hydraulic control butterfly valves, pump, water hammer, pipeline network..
基于16个网页-相关网页
短语
液压遥控蝶阀
BUTTERFLY VALVE HYDRAULIC ACTUATOR
液控缓闭蝶阀
hydraulic control buffer butterfly valve
液控止回蝶阀
Hydraulic control check butterfly valves