涡流,不稳定的电流

erratic current的用法和样例：

例句

And the auxiliary brake uses an Eddy current brake or EATON brake.辅助刹车既可用涡流刹车，亦可用伊顿刹车。
Finally, the lightweight of eddy current retarder is researched, and a feasible lightweight method is given by the paper.最后，对电涡流缓速器进行轻量化研究，得到一个较合理的轻量化方案。
The current in the conductor sets up a magnetic field.导体里的电流形成一个磁场。
An abnormally high electric current may blow out the bulb.过强的电流会使灯炮烧坏的。

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