overhead projector

n.

高射投影仪；

复数：overhead projectors

Overhead projector
Overhead projector
Overhead projector
Presentation Slide
Cholesteric polarizer for liquid crystal display and overhead projector
Cholesteric polarizer for liquid crystal display and overhead projector
Teaching English with multimedia overhead projector
Research on the English Class Model with the Assistance of Multi-media Overhead Projector— An Empirical Study of College English Te...
The Lost Art of Oratory: Damn the Overhead Projector
Research on College English Fossilization in Multi-media Overhead Projector Classroom
Using the overhead projector to present patient management problems to groups.
Spectroscopy on the Overhead Projector
Points: How to use an overhead projector.