钢管内径
Inner diameter of steel pipe
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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。
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.
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