Isbn: 9787502168483 - 采油工技术问答 (1 risultati)

paperback. Condizione: New. Paperback. Pub Date: 2009 Pages: 168 Language: Chinese in Publisher: Petroleum Industry Press oil workers Technical Q & A Series: Oil Production workers Technology Answers flexible form of questions and answers. combined with the practice of corporate on-site training on oil recovery workers should know that the knowledge will the introduction of the system. corporate training. self-study of employees has high reference value. Contents: The first part of the flowing wells Part 1. What is flow.…