单词	economic grade
释义	economic grade 经济坡度
随便看	space charge grid space-charge grid space charge grid tube space charge law space-charge law spacecharge layer space charge layer space-charge layer space charge layer capacitance space charge layer widening effect space-charge limit space charge limitation space-charge limitation spacechargelimited space-chargelimited space charge limited space charge-limited space-charge-limited space charge limited conduction space charge-limited conduction space charge limited current space charge-limited current space-charge limited current space-charge-limited current space charge limited currentSCLC