According to the design requirements provided by a company,a one-dimensional aerodynamic design was first conducted for ......

　　Coronal plug is a key component of the horizontal deepsea tree, and its main function is to block the tubing hanger ......

分析研究SD环氧乙烷反应器与反应器出口冷却器连接过渡段的传统结构与改进结构的受力情况,经过对比分析,发现在椭圆封头与过渡段连......