polar – phrases

Terms for subject Communications containing polar | all forms | exact matches only

English	Chinese
automatic block with polar frequency impulse track circuit	极频自动闭塞
polar biased relay	偏极继电器
polar contact	极化继电器触点
polar-frequency pulse track circuit	极频轨道电路
polar-impulse track circuit	极性脉冲轨道电路
polar normal contact	极性定位接点
polar reverse contact	极性反位接点