电动振拔桩基础

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咯血是肺结核常见的急症,发生率20%~90%,大咯血多见于肺结核空洞内小动脉破裂或动、静脉瘤的破裂,可造成窒息或严重失血性休克,其中窒息是造成咯血患者死亡的主要原因。因此,
Background Radial artery spasm (RAS) is the most common complication in transradial coronary angiography and intervention. In this study, we designed to investi