needle valve setting是什么意思


中文翻译针阀调定

网络释义

1)needle valve setting,针阀调定2)Needle Valve Adjusting,针阀调节3)needle valve adjustment,针阀调整4)metering pin valve,调节针阀5)metering needle valve,定量针阀6)governor needle valve,调速器针阀

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