narrow beam

短语词组

短语

• narrow slip beam 窄条梁
• radiation narrow -beam 细束辐射
• attenuation narrow -beam 细束衰减
• Narrow w beam condition 窄射束
• narrow -beam 窄射线;强指向性射束;窄束
• narrow w beam 狭窄的光线;窄束
• narrow laser beam 细激光束
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