词They measured the strength of an electric current.
他们测量了电流的强度。
They measured the strength of an electric current.
他们测量了电流的强度。
A liquid is decomposed when an electric current passes through it.
当电流通过时, 液体就分解。
Lower the pressure and largen the current of common electric current through transformer.
● 是利
普通电流经过变压器作，使电压降低而电流变大。
The electro-magnetic microgenerator utilizes a moving magnet or coil for inducing an alternating electric current in a circuit.
微型电磁发电器以移动中的磁铁或线圈，在电路中制造出感应交流电。
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