The mechanical status of nutted rod in drawing pipe with short mandrel rod is analyzed, the analysis basis for the dimensions design of nutted rod offered.
文章分析了短芯棒拉拔管材时拉杆的受力，并对拉杆的尺寸设计提供了分析的依据。
In the light of short production cycle of rod pumping Wells in Shengtuo Oilfield, the causes of the well failure are investigated twice.
针对胜坨油田有杆泵井检泵周期比较短的突出问题，进行了两次有杆泵井失效原因调查与分析。
Reporting the application of short Harrington rod instrumentation in 30 cases of fracture-dislocation of the thoracolumbar segment with paraplegia (27 males, 3 females).
报道应用短哈灵顿氏棒对于30例胸腰椎段骨折(脱位)伴截瘫病人的治疗经过(男27例，女3例)。
应用推荐