Based on many years, experience from our research and experiments structural design, constructional parameters and choosing range of tubular valve was introduced.
总结了多年试验的经验，给出了管状直流阀的结构设计、结构参数的选取原则和选取范围。
Based on the principle of epicyclic belt transmission, this paper presents an optimal design method for the constructional parameters of epicyclic belt transmission.
在介绍行星带传动基本工作原理的基础上，建立了行星带传动结构参数优化设计方法，并对优化结果作了系统分析。
By the reasonable design and strict control on constructional parameters, the rammed pedestal pile can provide high bearing capacity, so by using it can achieve good economic benefit.
通过一个工程实例的设计和桩基检测结果分析认为：经过合理的设计和施工技术参数的严格控制，夯扩桩能提供较高的单桩承载力，具有较好的经济效。
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