d Test Method*GB/T 12535—1990: Motor Vehicles-Starting Performance-Test Method*GB/T 12782—1991: Motor Vehicles-Heat Performance-Test Method*QC/T 449—2000: Insulation Truck-Refrigerated Truck-Performance and Test Method*IEC 68-2-1 Test A: Cold (GB2423.1-2001 Test A: Low Temperature Test Method)*IEC 68-2-2 Test B: Dry Heat (GB2423.2-2001 Test B: High Temperature Test Method)*IEC 68-2-78 Test Cab: Constant Moisture and Heat Test*GB/T2423.3-1993 Test B: Constant Moisture and Heat Test*IEC 68-2-30