A.使示值偏大B.使示值偏小C.無影響D.有影響
A.信號(hào)動(dòng)作誤差大B.觸點(diǎn)經(jīng)常燒壞C.無壓力指示D.到規(guī)定值時(shí)不發(fā)信號(hào)
A.誤差值B.精度值C.指示值D.有效值