selector pen
| detect
| selector pen | |
| tech. | 选择笔 |
| detect | |
| gen. | 探; 探测 |
| auto. | 发觉; 检 测; 明 |
| interntl.trade. | 检收 |
| met. | 发现 |
| radio.amat. | 探测; 检测 |
| |||
| 选择笔 | |||
| 光笔 | |||
|
selector pen : 3 phrases in 3 subjects |
| Agriculture | 1 |
| Electronics | 1 |
| Technology | 1 |