自动外线对外线转移 Automatic Trunk-to-Trunk Transfer
红外线数字转速表 infrared digital tachometer
传式转换红外线光谱术 Fourier Transform Infrared Spectroscopy ; FTIR
外线转移外线 Trunk-to-Trunk Transfer
圆外旋转线 epicycloid
外线转接码 toegangscode voor buitenlijn ; outside line access code ; ulkolinjan valintanumero ; kod capaian talian luar
外线连接转接 Serial Call
外摆线轮系转动结构 epicycloidal gear-train
旋转红外线感应器 spin infrared sensor
话务台转接外线呼叫 External Call Transferred By The Operator
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