echo-sounding receiver_石油英汉词典
echo-sounding receiver
[石油英汉词典]
echo-sounding receivern.回声测深接收机
是什么意思，echo-sounding receiver的解释，echo-sounding receiver的翻译
n.回声测深接收机
echo-sounding receiver_石油英汉词典echo-sounding receiver
[石油英汉词典]
echo-sounding receiver是什么意思，echo-sounding receiver的解释，echo-sounding receiver的翻译
