Structure and characteristics of rotating film-evaporator are introduced, its new type and technological process have been developed to remedy the defects of the original type and flow sheet.
介绍旋转薄膜蒸发器的结构与性能。讨论了原有设备及流程的不足，以及为解决这些不足而开发出的新型设备与流程。
The structure, principle of high precision and high flow plate type filter and its application in steel sheet rolling process are mainly introduced.
主要介绍了高精度大流量板式过滤装置的结构、原理及在钢板带轧制工艺过程中的应用。
The flow sheet and structure of 2 axial and 1 radial type and paralleled triple casing pipe type inner parts of converter are introduced. Comparison on their application is given.
介绍二轴一径和并流三套管式氨合成塔内件流程和结构，对两种内件的应用情况进行了对比。
应用推荐