The automatic testing method of cable fault is characterized by that the pulse signal transmitted and received by pulse reflection test circuit can be directly superposed on the output end of d.
An electric heating air bag (3) avoiding short circuit of the electrodes can be obtained even in the event that the electrodes at the ends are near or superposed on each other.
可获得即便使端部的电极靠近或重叠也可防止电极短路的电热气囊(3)。
3
The semi freedom short circuit is superposed by parallel plane flow, confluence and ringy turbulence jet.