在试验段中装有两个平行六面体试件.Two sample parallelepipeds are located in the test section.我们现在在三维应力分析中采用四面体单元和六面体单元.We can now use tetrahedron and hexahedron elements in three - dimensional stress analysis.同高的平行六面体(的体积)之比等于其底面(积)之比.Pa...
The extrusive PVC rigid sheet of the company has very high quality.该挤压聚氯乙烯僵化的资产负债表,该公司的质量非常高.A variety of geological environments are extrusive or intrusive rocks.不同的地质环境形成喷出岩或侵入岩.Contrast the formation of intrusive and ...