A.膜片式壓力計(jì) B.膜盒壓力計(jì) C.波紋管壓力計(jì) D.應(yīng)變式壓力計(jì)
A.P=Pb-Pe B.P=Pe-Pb C.P=Pb+Pe
A.應(yīng)高于600°C B.應(yīng)保持恒溫 C.應(yīng)高于1150°C D.應(yīng)低于600°C