吃阿胶的禁忌-每日一个养生知识2023年3月4日发(作者：猪肉皮冻的做法)4个按键控制#include#define uchar unsigned char #define uint unsigned int sbit key1=P3^4;sbit key2=P3^5;sbit key3=P3^6;sbit key4=P3^7;sbit dula=P2^6;sbit wela=P2^7;uchar