Bucky diaphragm
平向阑
布凯氏活动X线滤线器
栅格光阑
平向闸
布凯氏X线滤器
Bucky screen antidiffusion screen
Bucky’s (radiographic) device
Bucky-onionconductibilitya
cassette changer with Bucky table
A New Onion Cultivar ’Jintianxing’
A New Onion F1 Hybrid - ’Jinxing’
air-dried onion in slice
air-dried red onion in slice