overhead projector

短语词组

短语

• overhead d projector 高架投影机
• Protablc overhead projector 便携式投影仪
• Film Overhead Projector 胶片投影机
• type overhead projector 反射式教学投影仪
• Overhead Projector with screen 幻灯机及屏幕
• overhead projector noun 高射投影仪
• Overhead Projector Transparency 投影机透明度
• Slide & Overhead projector 幻灯机
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