The guide rod and bearing system support the load while the ball screw drives the load.

该指南杆和轴承系统的负载，同时支持的滚珠丝杠驱动器的负载。

youdao

Analysis screw pump system, get the mechanical model of rod string, deduct and calculate undertaking load of rod string.

通过对螺杆泵采油系统进行分析，得到抽油杆柱力学模型，并对杆柱所承受载荷进行推导计算。

youdao

The therapeutic effect of nerve decompression and vertebral canal plasty combined with the screw-rod system fixation of posterior pedicle of vertebral arch and the fusion of bone graft is fine.

神经减压和椎管成型辅以后路椎弓根钉捧系统同定及植骨融合术治疗退行性下腰椎不稳疗效优良。

youdao