图所示的仪表上面标有“MPa”字样,表明它的单位是MPa,是测量压强的仪表;
表盘上0~0.2MPa之间有10个小格,故其分度值为0.02MPa,指针所示的值是0.2MPa;
故答案为:压强;MPa;0.02MPa;0.2MPa.