misc. auxiliary heater
在室外空气温度低的地方，由于热泵冬季供热量不足，需设辅助加热器。
Outdoor air temperature in the low places, due to lack of heat in winter for the heat required to set up auxiliary heater.
在室外空气温度低的地方，由于热泵冬季供热量不足，需设辅助加热器。
At outdoor air temperatures and low places, because of lack of heat in winter for heat, the need for auxiliary heater.
该标准采用了自动反馈和辅助加热器技术，大大缩短了测量时间，提高了校准速度。
Because the automatic feedback and auxiliary heater techniques are used in this standard, the measuring time is greatly reduced, and a high calibration speed is gotten.
应用推荐