1) arc rolling beam balance
弧线滚动游梁平衡
2) walking-beam counterweight
游梁平衡块
3) offset beam balance
偏置游梁平衡
1.
5F six - link and composite balanced pumping unit is a new energy ?saving pumping unit that is composed of six ?link beam pumping unit and offset beam balance.
5F型六连杆复合平衡抽油机是将六连杆游梁抽油机与偏置游梁平衡有机结合的新型节能抽油机。
4) combined balance balance
游梁复合平衡
6) servo compound balance beam pumping unit
随动复合游梁平衡抽油机
1.
The servo compound balance beam pumping unit is a new kind of energy-saving pumping unit.
随动复合游梁平衡抽油机是一种新型节能抽油机,其随动平衡重重心的运动是复合运动。
补充资料：好游
1.喜好游乐。 2.喜好游说，作说客。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条