所设计的变工况机械密封实验台是一套模拟机械密封工作状况的实验设备，能够模拟密封各种正常工况及变工况工作情况。
The mechanical seal experimental unit of change-resisting work condition was a experimental equipment which can adjust temperature and pressure and operate in all kinds of work conditions.
本文介绍了“积木式”的中庭建筑火灾模型实验台的设计和制作。
This paper introduced the designing and manufacturing of building block form experimental model for atrium buildings fire.
设计了发动机实验台pid测控系统的电路，确定了各元件的参数。
PID measuring and controlling system circuits of engine test-bed was designed and the parameters of each element were determined.
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