electrically operated regulating valve
...科全书 关键词：电动调节阀、气动调节阀、执行机构、PLC、自控系统 [gap=441]Key word: Electrically operated regulating valve, Air operated regulating valve, executive component, PLC, Automatic control sys..
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electrically operated regulating valve
电动调节阀
以上为机器翻译结果，长、整句建议使用 人工翻译 。