短語(yǔ)詞組短語(yǔ)protection monitoring device 保護(hù)監(jiān)測(cè)裝置lightning protection grounding device 防雷接地裝置relay protection test device 繼電保護(hù)測(cè)試儀protection warning device 防護(hù)報(bào)警器protection n device 防護(hù)設(shè)備computerized relay protection measuring device 微機(jī)型繼電保護(hù)測(cè)試裝置intelligent motor protection control device 智能型電機(jī)保護(hù)控制器micro -chip relay protection test device 微機(jī)保護(hù)測(cè)試裝置 返回 protection device