We present a male patient with straddle - type pelvic stress fracture and discuss the possible causative mechanisms.

本文报告一例男性 跨 立式骨盆应力性骨折并探讨其可能生成机转.

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Straddle - type single - track beam of Press Steel Concrete ( PC ) possess the action of bearing, orienting and stabilizing.

跨 座式单轨PC ( 预应力混凝土 ) 轨道梁桥结构具有承重 、 导向及稳定的作用.

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