... rotary disc meter 转盘式流量计 rotary disc valve 转盘阀 rotary discharger 旋转放电器 ...
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rotary y disc valve 转盘阀
rotary-disc hydrostatic testing valve 翻板式水压试验阀
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Disc multi-way valve, the use of rotary multi-way valve, stable and reliable running.
盘式多路阀，采用旋转式多路阀，运行稳定可靠。
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