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启闭机减速箱润滑油颗粒度要求1螺杆启闭机润滑的一般要求是应根据螺杆启闭机说明书的要求并∞参考有关规定选择润滑油的类型供油量充足，油质合格，及时注油换新油时，应先清洗注油孔，注油通道，油箱，油杯等注油；螺杆启闭机的...
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