陳永炎

新時代丙級技能檢定室內配線(屋內線路裝修)學術科通關寶典 = Commercial wiring by: 劉生武; 鄧登木; 陳永炎 (Language materials, printed) , [編著]

丙級技能檢定室內配線(屋內線路裝修)術科通關寶典 = Commercial wiring by: 劉生武; 陳永炎 (Language materials, printed) , [著]

丙級用電設備檢驗技術士技能檢定學術科解析 by: 陳永炎; 黃如逵 (Language materials, printed) , [編著]