你也许会被叫去做演讲而不用任何设备，也可能会准备一块白板、幻灯机或投影仪。
You may be called on to present using no equipment or you may have a whiteboard slide projector overhead projector or beam projector available.
投影仪的基本功能与幻灯机相似。
The basic function of an overhead projector is similar to that of a slide projector.
大屏幕显示区、投影仪、幻灯机、液晶投影机、DVD机、录音机、录像机等可按小时或按天计算供您使用。
Large screen displays, projectors, overhead projectors, LCD projectors, DVD players, tape recorders, video camcorders are ready for your renting by hour or by day.
应用推荐