预矫直机 pre-straightening machine ; pre-straightener

预矫正 [通信] pre-distortion ; Digital Pre-Distortion

预矫直装置 pre-straightening unit

预矫正网络 [通信] pre-distorting network

预矫正器 pre-corrector

预防矫治 preventive orthodontics

预防性矫治 PREVENTIVE ORTHODONTICS ; Interceptive orthodontic treatment

矫正与预防措施 Corrective And Preventive Action

矫正与预防办法 corrective and preventive action