我国标准压力表目前共分四个()精度等级。
A:0.1,0.35,0.5,1.0
B:0.15,0.2,0.4,0.5
C:0.16,0.2,0.3,0.5
D:0.16,0.25,0.4,0.6
出自:海上采油工程仪表工