摘要
本文介绍了在无图纸资料的情况下。
his text intrduees that in the condition of no circuit paper and document, the repair of the trackball circuit board
出处
《中国医疗设备》
2009年第2期113-113,105,共2页
China Medical Devices
关键词
光标
轨迹球
开关特性
反相器
cursor, the traekball, characteristic switch, anti-mutually machine
