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.
本文就现浇钢筋混凝土螺旋楼梯施工提出一种模板支设方法。
The author explores a new way of erecting molding board in the construction of job-placed reinforced concrete cockle stairs.
在该工程中采用了新颖的伞型斜向支撑技术，并利用螺旋式千斤顶进行主动支顶。
In connection with an engineering example, this paper introduces the application of a novel active roof-propping technique which uses umbrella-shaped braces and screw jacks for active propping.
利用螺旋曲线方程，经过详细计算，进行旋转楼梯模板的支设，可以较好地满足设计造型的要求和施工规范的规定。
By spiry curve equation, we have calculated detailedly and laid spiry stairs. It is found that it can satisfy better the requirement of designs and the regulation of working criterions.
在支架的四根腿下端安装有螺旋升降支脚。
The lower ends of four legs of the stent are equipped with spiral lifting support legs.
每个吸管上设有除杂机构在卷烟机前最后一次去除杂物，螺旋筛分功能及烟末分离收集系统更进一步确保了烟支的质量。
Foreign material remover on each sucking pipe makes final guarantee for quality of cigarettes. Vibratory sieve and dust collection system provides the possibility of re-use of tobacco dust.
每个吸管上设有除杂机构在卷烟机前最后一次去除杂物，螺旋筛分功能及烟末分离收集系统更进一步确保了烟支的质量。
Foreign material remover on each sucking pipe makes final guarantee for quality of cigarettes. Vibratory sieve and dust collection system provides the possibility of re-use of tobacco dust.
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