frequency spectrum designation_新英汉石油技术词典
frequency spectrum designation
[新英汉石油技术词典]
frequency spectrum designation频段名称
是什么意思，frequency spectrum designation的解释，frequency spectrum designation的翻译
频段名称
frequency spectrum designation_新英汉石油技术词典frequency spectrum designation
[新英汉石油技术词典]
frequency spectrum designation是什么意思，frequency spectrum designation的解释，frequency spectrum designation的翻译
