They measured the strength of an electric current.
他们测量了
流的强度。
流They measured the strength of an electric current.
他们测量了
流的强度。
A liquid is decomposed when an electric current passes through it.
当
流通过时, 液体

。
Lower the pressure and largen the current of common electric current through transformer.
● 是利
普通
流经过变压器作
,使
压降低而
流变大。
The electro-magnetic microgenerator utilizes a moving magnet or coil for inducing an alternating electric current in a circuit.
微型


器以移动中的
铁或线圈,在
路中制造出感应交流
。
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