1.The indicator light is lit, the switch of fan shall be turned on as soon as the instrument is warm, so that the heat produced can be forced to convect through the air channel.
指示灯亮，仪器加温后即应打开风机开关，使其热量往风道强
。
声明：以上例
、词性分类均
网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
