| 1. | You changed the batteries in the smoke detector 你会更换烟雾侦测器里的电池 |
| 2. | Separate bath and shower stall not in all rooms 27 07 .每间客房皆备有安全门视孔烟雾侦测器消防洒水器。 |
| 3. | Each encoder has a fixed light source opposite a light detector 每个编码器有一个固定光源,对面有光线侦测器。 |
| 4. | Wall - mount type gas detector 携带式气体侦测器 |
| 5. | Car detector , vehicular detector 车辆侦测器 |
| 6. | Inductive loop detector 环路线圈侦测器 |
| 7. | System vehicle detector 系统车辆侦测器 |
| 8. | Multi - parameter detector 多参数侦测器 |
| 9. | Portable gas detecto 固定式气体侦测器 |
| 10. | Magnetic loop detector 磁圈侦测器 |