Kev tswj kub zoo li qub ± 1 ° C, dynamic ± 3 ° C.
Preheater adopts clamping mechanism ua kua theem tswj ruaj khov thiab raug pub mis (patent: ZL201420137471.2).
Preheating tshuab muaj tsawg zog noj thiab zoo preheating nyhuv.