In this paper the automatic method to judge natural ventilating and mechanical ventilating condition is investigated for the adjustment of temperature and humidity within the records storehouse.

本文旨在探讨档案库房的温湿度调节中自然通风或机械通风条件的自动判定方法。

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The automatic device for the gauge adjustment of parts on textile machine was presented. Its principle, mechanical structure and control system were discussed.

介绍了一种用于棉纺设备隔距调整的电动执行装置，对该装置的运动机理、机械结构和自动控制系统作了详细介绍。

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