针对游梁式抽油机在采用曲柄平衡(又称一次平衡)时存在的峰值转矩较大、负转矩严重等现象，提出了有关抽油机的二次平衡问题。
In view that large top torque and negative torque are produced when crank balance (primary balance) is adopted, we present the secondary balance of beam pumping unit.
与峰值堵转转矩相应的电枢电流称为峰值堵转电流。
When motor running in blocked torque , the armature current is called peak torque current.
该模型表述了相关因素对粘性式限滑差速器传递剪切转矩的影响，其中主要是左右轮转速差与工作温度。另外，本文对粘性式限滑差速器的峰值特性作了一定分析。
This model describes that the difference of rotate speed of two axle of viscous couple and the working temperature of it is the main outside factors influencing the shear torque of VLSD.
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