2、打开仪器电源，开启操作程序，预热半小时的翻译：2, power on the instrument, turn on the operating procedures, preheated for half an hour 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

2 Turn the instrument, on operating procedures, a half-hour warm-up

2, power on the instrument, turn on the operating procedures, preheated for half an hour

2nd, Turns on the instrument power source, the opening operation sequence, preheating half hour

2, * Open apparatus power, opened half an hour preheat and operating procedures

2, power on the instrument, turn on the operating procedures, preheated for half an hour