beam-balanced pumping unit 游梁平衡抽油机 ; [油气] 游梁平衡式抽油机
compound-balanced pumping unit [油气] 复合平衡式抽油机
crank-balanced pumping unit [油气] 曲柄平衡式抽油机
air-balanced pumping unit [油气] 气动平衡抽油机
air balanced pumping unit 气动平衡抽油机
crank balanced pumping unit 曲柄平衡式抽油机
out phase beam-balanced pumping unit 异相游梁平衡抽油机
The "weight-type" balanced structure of JPCYJ can achieve accurate weight balance, the tower structure can achieve a long-stroke pumping, This pumping unit provide a good conditions for energy saving.
JPCYJ结构属于“砝码式”平衡，能实现精确的配重平衡，塔式结构能实现抽油机长冲程，这为抽油机节能提供了良好的条件。
The virtue of balance beam pumping unit is directly depended on its balanced state. But so far, there is no simple and efficient method to detect the balanced state.
游梁式抽油机的平衡状况直接关系到其效能，而对其平衡的检测目前尚无简单易行的办法。
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