词汇	rail posts
释义	rail posts 杆柱
随便看	space charge measurement space charge method space-charge method space-charge mode space charge model space-charge model space charge mutual repulsion effect space-charge mutual repulsion effect space charge neutralization space-charge optics space charge packet behavior space charge parameter space charge pentode space-charge pentode spacecharge polarization space charge polarization space-charge polarization space-charge potential space charge recombination spacecharge region space charge region space-charge region space charge repulsion space-charge repulsion space charge resistance