A、清除數(shù)據(jù)緩沖區(qū)數(shù)據(jù);數(shù)據(jù)問(wèn)題,更換數(shù)據(jù)
B、清除數(shù)據(jù)緩沖區(qū)數(shù)據(jù);數(shù)據(jù)線(xiàn)接觸問(wèn)題,更換數(shù)據(jù)線(xiàn)
C、清除數(shù)據(jù)緩沖區(qū)數(shù)據(jù);數(shù)據(jù)線(xiàn)接觸不良,更換數(shù)據(jù)線(xiàn)
D、清除數(shù)據(jù)緩沖區(qū)數(shù)據(jù);數(shù)據(jù)線(xiàn)問(wèn)題,更換數(shù)據(jù)線(xiàn)