ɫɫߣߣ,˹¡ѧԺ,Ůװ̫ʲô

(1)

    ܸ߉ɫɫߣߣ,˹¡ѧԺ,Ůװ̫ʲôՔ·Ǒڽ50HZ늉10--12KVϵy֔ࡢP֮ؓã^d·oܡٔౣoܡrӕroܣӿơ^ٔౣoܣ߀ɸɫɫߣߣ,˹¡ѧԺ,Ůװ̫ʲôÑҪbx_P

(2)

    ԂԴF͵bؼhƺWԄӻվM_PվoԴɢc_PFhW늣ǼԴoƺͨӍһw_P

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