The electron beam local heat treatment (EBLHT) is a newly heat treatment that provides the advantages of high precision, flexility and efficiency, energy source saving and productivity improving.
电子束局部热处理是一种新型的热处理方式，具有精确度高、灵活性好、效率高、节省能源和提高生产率的优点。
General beam pumping system should be the overall efficiency of about 50% if less than this should improve its performance.
一般游梁式抽油系统的总效率应为50%左右，若低于此应提高其性能。
Electromechanical integrated; Toroidal drive; Manufacture of the stator; Manufacture of the toroidal worm; Curved beam; Minimum energy method; Efficiency.
机电集成； 超环面传动； 定子加工； 环面蜗杆加工； 曲线梁； 最小能量法； 效率。
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