servo track伺服: servo磁道: magnetic track; track伺服磁鼓: servo head wheel伺服磁盘: servo disk伺服磁头: servo head; servohead下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:伺服磁道,即可在微信中查询翻译