echo-sounding receiver_新英汉石油技术词典
echo-sounding receiver
[新英汉石油技术词典]
echo-sounding receiver回声测深接收机
是什么意思，echo-sounding receiver的解释，echo-sounding receiver的翻译
回声测深接收机
echo-sounding receiver_新英汉石油技术词典echo-sounding receiver
[新英汉石油技术词典]
echo-sounding receiver是什么意思，echo-sounding receiver的解释，echo-sounding receiver的翻译
