简述TQJD-450区间中继电台组成和各单元的功能? 发布时间:2019-07-28 12:12 │ 来源:www.tikuol.com 题型:问答题 简答题 问题: 简述TQJD-450区间中继电台组成和各单元的功能?
题型:问答题 简答题 Russia will soon return 174 sq km of territory on the northeast border to China. more than 40 years of negotiations.A.endingB.endedC.to endD.being ended 查看答案