The soul of a top student in the laboratory of Harbin Institute of Technology's third engineering student accidentally traveled to the 1960s and possessed an orphan girl in a third-tier construction area. Armed with modern engineering knowledge, she faced the dilemma of backward technology and lack of materials. She hid her identity and started as a front-line worker. Using drawings as a blade and welding as a light, she traveled from the northeast to the northwest to overcome industrial difficulties and cultivate technical talents. In the booming construction era, she built the foundation of a strong country with her hard skills!
