青云翻译

4 requires heating in winter conditions, the ambient temperature of not less than 5 ℃.

4. the requirements under heating conditions in winter, temperature is not lower than 5 ° c.

4. winter time request carries on under the heating condition, the ambient temperature is not lower than 5℃.

Request for heating in winter period 4 conditions, environmental temperature of not less than 5 °C.

4. the requirements under heating conditions in winter, temperature is not lower than 5 ° c.