短语词组短语color generator lock 彩色同步锁相color subcarrier lock 彩色副载波锁相color lock receiver 彩色锁相接收机color lock switch 彩色锁定开关Color Lock System 彩色锁定技术color wire -lock system 彩色有线锁相系统Lock Color 锁定颜色 返回 color lock