词语石英晶体钟
解释quartz clock
quartz clock〔名词〕石英晶体钟详细»
quartz clock〔名词〕石英钟详细»
quartz clock石英钟详细»
石英晶体钟〔名词〕quartz-crystal clock详细»
石英晶体钟quartz crystal clock详细»