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1·The ventilator USES for ventilating psychrometer, which bring even air cur rent as driving impeller.

本通风器主要用于通风干湿仪表，作为驱动叶轮产生均匀气流的主要元件。

2·The method of measuring water potential of plants with thermocouple psychrometer and the flow chart of computer programs for automatic measurement are presented in this paper.

给出了利用热电偶湿度计测量植物水势的方法以及利用微机实现自动测量的程序流程。