In this project, we use not only the semiconductor refrigeration function but also the semiconductor heating one by using the solar power supply system. The form and the size of the refrigerating or heating environment simulate the practical watchtower.是什么意思_In this project, we use not only the semiconductor refrigeration function but also the semiconductor heating one by using the solar power supply system. The form and the size of the refrigerating or heating environment simulate the practical watchtower.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句