词汇	ship-building timber
释义	ship-building timber 造船材
随便看	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 space charges space-charges space charge screening space charge separation space-charge sheath