photoelectric tape reader，ptr meaning in English
光电带阅读机
Related Words
- ptr priority token ring
- photoelectric compass
- photoelectric tachometer
- photoelectric photometer
- photoelectric densimeter
- photoelectric current
- photoelectric barrier
- photoelectric element
- photoelectric speedometer
- photoelectric integrator
- photoelectric tachometric transducer
- photoelectric tape reader
- photoelectric tape recorder
- photoelectric technology