官昭吟

丙級機械加工學術科通關寶典 = Mechanical working by: 官昭吟; 張秉書; 徐原贊 (Language materials, printed) , [編著]

丙級機械加工學術科通關寶典 : Mechanical working by: 官昭吟; 張秉書; 徐原贊 (Language materials, printed) , [著]

丙級機械加工學術科通關寶典 = Mechanical working : 含機工類共同學科題庫分類解析 by: 官昭吟; 張秉書; 徐原贊 (Language materials, printed) , [編著]

丙級技能檢定機械加工學術科通關寶典 = Mechanical working : 含機工類共同學科題庫分類解析 by: 凌網科技股份有限公司; 官昭吟; 張秉書; 徐原贊 (Electronic resources)

丙級機械加工學術科通關寶典 by: 凌網科技股份有限公司; 官昭吟; 張秉書; 徐原贊 (Electronic resources)