Then, the heating medium heated in the recovery process is introduced into the drying process as a heating medium gas for drying.
然后，将在回收步骤中加热后的加热介质作为用于干燥的加热介质气体引入到干燥工序中。
In this paper a PLC controlled induction heating system is presented base on the analysis of medium frequency parallel converter.
本论文在对中频感应加热及相关技术作出研究的基础上，探讨了PLC控制感应加热成套系统的控制和相关技术。
About 1885, a process by which natural gas heats a roasting chamber and hot air is the only heating medium was developed, and this remains the best and most popular method of roasting coffee.
大约1885年，用天然气加热烘焙箱、以热空气作为唯一的热媒介的工艺就已经被开发了，这种工艺至今仍是最好最普及的咖啡烘焙法。
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