A.關(guān)掉相應(yīng)側(cè)的CP電源,換好后再上電,解閉RP,修復(fù)CP B.閉塞相應(yīng)RP,換板,解開RP C.閉塞相應(yīng)RP,SARPI,換好后解開RP,SARPE D.分離相應(yīng)RP和相應(yīng)側(cè)的CP,換好后解開RP,修復(fù)CP