J2吸合,常閉觸點(diǎn)割斷了被控電器電源。電筒光滅后,J1慫曄著,但J2經(jīng)R1而貫穿連接吸合,C2經(jīng)J1、J2釋放,被控電器電猿怪被接通。打開K,則遙控開關(guān)與被"/>