Trench type disc throttle valve的意思|示意
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沟槽式阀瓣节流阀
Trench type disc throttle valve的网络常见释义
勾形阀瓣节流阀 ... 节流阀 Throttle valve 勾形阀瓣节流阀 Trench type disc throttle valve 窗形阀瓣节流阀 Window type disc throttle valve ...