#ifndef USER_DISPLAY_PRESENT
#define USER_DISPLAY_PRESENT

#include "type.h"

typedef enum {UNIT_CAL, UNIT_PSI, UNIT_INH2O, UNIT_MMH2O, UNIT_KPA, UNIT_KG, UNIT_M3, UNIT_L, UNIT_PCT} TDiffUnit;
typedef enum {SOURCE_LNG, SOURCE_O2, SOURCE_N2, SOURCE_AR, SOURCE_CO2, 
	SOURCE_H2, SOURCE_CNG, SOURCE_HE, SOURCE_C2H4, SOURCE_LPG, SOURCE_NH3,
	SOURCE_PENT, SOURCE_POPO} TDispSource; // ÎìÍ飬¾ÛÃѶàÔª´¼

#endif