... 架空链路，明线链路 open-wire link 明线话频线路 open-wire voice line 工作频率，运作频率 operating frequency ...
基于20个网页-相关网页
open-wire voice frequency circuit
... open-string stairs 露明梁楼梯 open-wire voice frequency circuit 明线话频线路 opening 开口,开度,断开 ...
基于16个网页-相关网页
·2,447,543篇论文数据，部分数据来源于NoteExpress