短語詞組短語circuit t changer 轉(zhuǎn)接器open -circuit tap changer 空載分接開關linear off -circuit tap changer 線性調(diào)無勵磁分接開關series -parallel off-circuit tap changer 串開聯(lián)無勵磁分接開關off -circuit tap-changer 無勵磁分接開關;無載分接開關star -delta off-circuit changer 星角接無勵磁分接開關transformer with off -circuit tap-changer 無勵磁調(diào)壓變壓器power transformer with off -circuit tap-changer 無載調(diào)壓電力變壓器frequency changer circuit 變頻電路 返回 circuit changer