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secondaries的音標(biāo)：secondaries的英式發(fā)音音標(biāo)為：['sek?nde?ri:z]secondaries的美式發(fā)音音標(biāo)為：['sek?nde?riz]...
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n.次要的( secondary的名詞復(fù)數(shù) )，中級的，中等教育的，間接引發(fā)的...
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The relay operates on the sum of the currents flowing in CT secondaries from switching points.繼電器根據(jù)開關(guān)點(diǎn)CT二次側(cè)的總電流動(dòng)作....