Definition of 回線切り換え (かいせんきりかえ)
かいせんきか
                        回線切り換え
かいせんきりかえ
kaisenkirikae
noun
•
        
line switching(computer term)
Related Kanji
| 回 | -times, round, game, revolve, counter for occurrences | 
| 線 | line, track | 
| 切 | cut, cutoff, be sharp | 
| 換 | interchange, period, change, convert, replace, renew |