The product is an ideal pumping unit to replace conventionalbeam pumping unit.
该产品是一种理想的抽油机，以取代传统的游梁式抽油机。
2
The degenerated cable element is derived by the reduction of stiffness of the conventionalbeam element and the results are acceptable.
退化型悬索单元能在对普通梁单元进行刚度折减的基础上给出良好的分析结果。
3
The hydraulic beam pumping unit is a new-style pumping unit that combines the advantages of both the conventionalbeam pumping unit and the hydraulic pumping unit.