弯壳体导向钻具的刚性大、变形小，因此可采用几何法来计算造斜率。
The bent-housing motor is relatively rigid, so the geometric method can be used to calculate the build angle rate of steerable motor.
本动力头具有高速、高旋转精度，承载力、刚性大，运转可靠稳定的优点。
The unit head has the advantages of high speed, high rotation accuracy, large bearing capacity and rigidity, as well as reliable and stable operation.
东江电站大型灯泡贯流式机组机座结构尺寸大、刚性大，对焊缝质量和焊接变形要求较高。
The frame of heavy stay column sets for Dongjiang Power Station possesses a great rigidity with large dimension, so its requirements for welds quality and welding deformation are strict.
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