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Terms for subject Metallurgy containing 回声 | all forms | in specified order only
ChineseEnglish
回声false echo return
回声bounce
回声anacamptic sound
回声作用doubling effect
回声探测法echo sounding
回声效应echo effect
回声echo method
回声面积法echo area method
控制回声control echo
炉底回声bottom bounce
缺陷回声flaw echo