... 复位按钮 reset 延时机构 time relay device 节流阀 throttle valve ...
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The foil unfolding time relay device has the advantages of reducing the movement of the electrode foil, decreasing the abrasion of the electrode foil, and increasing the whole precision.
本实用新型具有降低电极 箔的游动，减小电极箔的磨损，提高整体精度的优点。
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