cold-rolled steel plate短语¹⁴⁴⁹⁷²⁺² 基本例句 网冷轧钢板；伊朗求购冷辗钢板机冷轧钢板 The article describes signal processing for width measurement and hole defect detection of cold-rolled steel plate using linear CCD under the transillumination. 本文论述在透射式照明条件下用线列 CCD测量铜板宽度和检测孔洞缺陷的信号处理。 cnki