常見例句用作名詞 (n.)When the secondary circuit is closed, both primary and secondary currents set up a flux in the core.當(dāng)次級(jí)電路接通時(shí)，初級(jí)電流和次級(jí)電流都在鐵芯內(nèi)建立了一個(gè)磁通量。 返回 in-core