A.QT300-22 B.QT400-15/12 C.QT450-10 D.QT500-7
A.UNITH/TEMP B.SCR/VOLTS C.CAP/DR/FAULT D.UNITL/PRES
A.燒結(jié)層-過渡層-松散層 B.松散層-過渡層-燒結(jié)層 C.過渡層-燒結(jié)層-松散層 D.燒結(jié)層-松散層-過渡層