projection apparatus

短语词组

短语

• Projection optical apparatus 发明名称
• electron beam projection exposure apparatus 电子束投影曝光机
• film projection apparatus 电影器材
• electronic projection apparatus 电子投影设备
• Projection type display apparatus 发明名称
• electronic organ projection apparatus 电子投影设备
• film phonograph projection apparatus 电影器材
• Transparency projection apparatus 幻灯片放映设备
• Focusing apparatus in projection television 发明名称
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