variable aperture
| shutter
| variable aperture | |
| telecom. | 可变孔径 |
| shutter | |
| hydroel.st. | 百叶窗; 闸板 |
| mech. | 阀片 |
| met. | 活门 |
| pest.contr. | 闸门//气流控制 |
| rem.sens. | 快门; 遮挡板 |
| space | 遮光板; 断路器; 光闸 |
| |||
| 可变孔径 | |||
|
variable aperture : 14 phrases in 5 subjects |
| Construction | 2 |
| Electronics | 5 |
| Information technology | 1 |
| Technology | 4 |
| Television | 2 |