signal switch短语⁹⁶⁶⁷⁷⁺⁶ 基本例句 信号切换 Several progresses are made in the development of software and hardware in the Video signal switch module. 对视频混合电路模块的软硬件开发调试也取得了一定的进展。 cnki Incorporated in the directional signal switch is a“ lane change switch mechanism”. 合并在转向开关中的是一个“变换开关机构”。52jxs