最近一个时期以来,我们收到许多读者来信,询问红外加热的有关问题,有基础知识方面的,也有应用方面的。为更好地普及、扩大和提高红外技术的应用和满足广大读者的要求和愿望,本刊将从这期起开辟问答信箱,根据读者提出的问题,抽出具有代表性的在本刊上系统地、连续分期地向读者作解答。由于我们能力有限,不可能对读者的每一个问题都作回答,而且回答的问题有些也不可能全面、准确,望读者原谅并多提意见和建议。 Since the recent period, we have received many letters from readers asking about infrared heating related issues, as well as basic knowledge and application. In order to better popularize, expand and improve the application of infrared technology and meet the requirements and aspirations of readers, this issue will open up Q & A mailboxes from this issue. Based on the questions raised by readers, this paper systematically extracts , Continuous staging to readers for answers. Due to our limited ability, it is impossible to answer every question of the reader, and some of the answers can not be comprehensive and accurate. We hope readers will forgive and make comments and suggestions.