“echo sounder”的概念、定义、翻译、参考文献-科学参考

单词	echo sounder
释义	echo sounder 回声测深器回声测深仪回声探测器回音测深仪
随便看	TV complete checking instrument TV demodulator TV differential relay TV dot interval TV dot pattern TV field strength meter TV-film sound recording equipment TV filter TV game TV insertion test line generator TV intermediate frequency modulator TV microscope TV microwave link TV ming tea & shen tea TV modulator TV operating center TV oscilloscope TV radar display TV refresh TV relay transmitter TV repeater TV satellite broadcast transmission and receiver TV sensor TV service routine TV set

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