photoelectric keyboard，pkb meaning in English
光电键盘
Related Words
- pkb parking brake
- keyboard controller
- photoelectric compass
- photoelectric tachometer
- photoelectric photometer
- photoelectric densimeter
- photoelectric current
- photoelectric barrier
- photoelectric element
- photoelectric speedometer
- photoelectric jacquard carpet
- photoelectric jacquard loom
- photoelectric layer
- photoelectric length meter