介绍一种新式保护地温度自动报警装置近年来保护地园艺发展很快，在园艺作物的保护地栽培中，设施内的温度管理至关重要。因温度控制不好而功亏一篑的事时有发生。保护地内的温度控制，通常用玻璃温度计观测，其费时费力而且又不能报警。为了解决这个问题，我们研制了保护... Introducing a new type of automatic temperature protection device for protected areas In recent years, gardening in protected areas has developed rapidly. In the cultivation of horticultural crops in protected areas, temperature management within the facility is of crucial importance. Due to poor temperature control and fall short of things happen. Temperature control in the protected area, usually observed with a glass thermometer, is laborious and time-consuming and can not be alarmed. In order to solve this problem, we developed a protection ...