短語詞組短語crystal electric clock 石英電鍾crystal l clock 石英鍾crystal controlled clock 晶控時鍾liquid crystal desk clock clock 液晶臺鍾lcd -clk-dataliquid crystal display clock data 預(yù)示鍾表highly stable crystal clock 高穩(wěn)晶躰時鍾electric c crystal clock 電晶躰鍾Ordinary crystal clock 普通晶躰時鍾crystal clock quartz clock 石英鍾crystal clock o 石英鍾 返回 crystal clock