目的:评价螺旋CT在肺段水平诊断支扩的价值。
Purpose: To evaluate the diagnostic value of spiral ct in bronchiectasis at segmental level.
目的:评价多层螺旋CT门静脉成像(MDCTP)在门脉高压侧支循环血管显示中的价值。
Objective: to evaluate the value of multi-detector row spiral ct portography (MDCTP) in demonstrating portal system and its collaterals in portal hypertension.
介绍了在螺旋焊缝汇管上焊接支管时的防变形措施、焊接方法和检验结果。
This paper introduces the measure, welding method and inspection result to prevent the welding deformation formation of spiral-seam pipe header after tapping.
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