coil in
英
美
- 进线,盘管进入接头
coil in的用法和样例：
例句
- An instrument used to detect, measure, and determine the direction of small electric currents by means of mechanical effects produced by a coil in a magnetic field.
检流计，电流计一种仪器，用以探测、测量和测定微小电流方向，采用线圈在磁场中产生的机械效果的方法
