echoing characteristics
echoing characteristics
[石油英汉词典]
echoing characteristicsn.回波特性
是什么意思，echoing characteristics的解释，echoing characteristics的翻译
[新英汉石油技术词典] echoing characteristics
echoing characteristics
[石油英汉词典]
echoing characteristics是什么意思，echoing characteristics的解释，echoing characteristics的翻译
[新英汉石油技术词典] echoing characteristics