单词	two tone channel
释义	two tone channel 双音通路
随便看	cylinder setting-out machine cylinder setting plate cylinders for the preparation cylinder shaft cylinder shallow shell cylinder shape cylinder shape body heat conduction cylinder-shaped cylinder-shaped blackbody source cylinder-shaped container Cylinder-Shaped Part cylinder-shaped parts cylinder shaping machine cylinder shave machine cylinder shell cylinder-shell cylinder sheller cylinder shell of different diameters cylinder shell resonant sensor cylinder short shell resonating transducer cylinder shrinking machine cylinder side cover cylinder side rod cylinder sieve cylinders in cylinder