reflection-type
| overhead projector
| reflection type | |
| tech. | 反射式 |
| overhead projector | |
| el. | 顶上投影仪 |
| exhib. | 高射投影仪 |
| libr. | 透明片投影机; 投影机 |
| |||
| 反射式 | |||
|
reflection-type : 25 phrases in 7 subjects |
| Agriculture | 1 |
| Chemistry | 3 |
| Electronics | 3 |
| Metallurgy | 2 |
| Nuclear physics | 1 |
| Space | 1 |
| Technology | 14 |