Regular check and clean the air-con system and water tank, and renew the antifreezefluid when necessary.
定期检查并清洁空调系统和水箱，必要时更换防冻液。
2
The "two fluid" (antifreeze and oil) is essential for the maintenance of the launch machine.
而“两液”（防冻液和机油）对发起机的养护至关重要。
3
In order to prevent the cooling fluid freezes in the winter, failure to use modern engines are basically long-term antifreeze, antifreeze and coolant temperature function are regulated.