To solve the problems of low efficiency and high power consumption and inconvenient parameter adjustment of beam pumping units, a motor-reversing type pumping unit is developed.
为了解决游梁式抽油机效率低、能耗高和调整参数复杂等问题，研制开发了电动机换向智能抽油机。
2
Allows precise adjustment of beam height to match samples of different dimensions.
通用的光栏，可以精确地调节狭缝的高度，以适应各种尺寸样品的测试。
3
The device is a fulcrum structure which can carry out three-dimensional position adjustment of a steel box girder and guarantee a beam segment to move freely in a plane.