hook-on instrument
基本解釋
- 鉤接式儀表
英漢例句
- The automatic two-way signaling used on these circuits causes the station instrument on one end of the circuit to ring when the station instrument on the other end goes off-hook.
這些線路上使用的自動雙向信令引起線路一端的電話機振鈴,而另一端的電話機摘機應(yīng)答。
雙語例句
專業(yè)釋義
- 懸掛式儀表