Then the dynamic stress testing of newly designed girder and rear horsehead is carried out, the stress status investigated, and the rationality of the structure design evaluated.
本文对重新改造设计后的游梁、后驴头进行了动态应力测试，研究其受力状况，评价结构设计的合理性。
参考来源 - 双驴头抽油机游梁承载能力研究·2,447,543篇论文数据，部分数据来源于NoteExpress
光杆用一段钢丝绳固定于驴头。
The polished rod is attached to the horsehead by the bridle.
宁为驴头，不为马尾。为驴头，不为马尾。
驴头的造型使得驴头外侧的弯曲中心对准游梁轴承。
The horsehead is shaped so that the curvature of the outer side of the horsehead is centered on the center bearing of the walking beam.
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