The counterbalance effect of a pumping unit can be analyzed and adjusted trustworthily by means of the power curve method.
利用功率曲线法能可靠地分析、判断抽油机的平衡状况。
In order to improve the counterbalance effect of pumping units, this paper represents a method of installation with forward offset counterweight.
为了改善抽油机的平衡调节,本文提出了平衡重前置的安装方式。
On one hand, the disaster has the grave restraint effect to GDP and the economic growth rate. On the other hand, the disaster rebuild often can counterbalance part negative effects of disasters.
一方面,灾害对GDP和经济增长率有严重的制约作用,另一方面,灾害重建往往能够抵消一部分灾害的负面效应。
On one hand, the disaster has the grave restraint effect to GDP and the economic growth rate. On the other hand, the disaster rebuild often can counterbalance part negative effects of disasters.
一方面,灾害对GDP和经济增长率有严重的制约作用,另一方面,灾害重建往往能够抵消一部分灾害的负面效应。
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