ROH Receiver Off C Hook

基本解释听筒摘机

网络释义

1)ROH Receiver Off C Hook,听筒摘机2)earpiece,听机，听筒3)telephone handset,听筒;手机4)single earphone,单听筒耳机5)double earphone,双听筒耳机6)high-drum picker,[农机]高滚筒摘棉机

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