A.Ed B.Ex C.Eid D.Exd
A.200V-300V B.100V-300VB C.300V-400V D.100V-200V
A.(0.7-1.1)×105Pa B.(0.8-1.1)×105Pa C.(0.6-1.1)×105Pa D.(0.5-1.1)×105Pa