Series TDV TripleDuty Valves are designed for use on single, double, and vertical in-line pump applications.
系列TDV三用阀适用于单个 、 两个和垂直并联泵应用场合.
The geometric nonlinearity of struction is considered with the actual situation of the bridge. Thirdly, the Midas/ Civil and TDV finite element model of this structure is established, and the first kind buckling problem is calculated and analyzed.
结合背景桥梁的实际情况,主要考虑结构的几何非线性。再次,建立结构的Midas/Civil和TDV有限元模型,计算分析桥梁的一类稳定问题。
Based on the analysis of change of soil water potential ( SWP) and soil temperature ( ST), we researched the daily trunk diameter variation ( DTDV) and trunk diameter variation ( TDV) of peach in winter.
在分析空气温度、土壤水势以及土壤温度生态因子变化的基础上,研究了桃树茎干日变化规律以及冬季桃树的茎干变化。
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