ISBN: 9787504584076 - mine ventilation(chinese edition) (1 Ergebnisse)

paperback. Zustand: New. Paperback. Pub Date: 2010 07 Pages: 170 Language: Chinese in Publisher: China Labor and Social Security Publishing House security technology management professional national demonstration institutions focus on building professional backbone curriculum materials: mine ventilation is based on the higher vocational colleges teaching the requirements of the reform. with the teaching model based on the work process needs to train students in vocational adaptability. proficiency. social practice. t.…