The principle and structure of the self made testing instrument for measuring the effective temperature in the full cross section of steel rail are described and discussed in this paper.
论述了自行研制的钢轨全断面有效温度测试仪的原理及结构。
In this paper, a photoelectric instrument for measuring inner diameter of steel pipe is introduced, in which the linear CCD is used as sensor, and 8031 monolithic computer as master control system.
介绍了一种检测细长钢管内径的光电检测装置。该装置利用线阵CCD作传感器，采用8031单片机作为主控制。
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