undirectional
美 [ʌndɪ'rekʃənəl]
英 [ʌndɪ'rekʃənəl] 
英汉解释
例句
Application on Measurment Adjustment of Undirectional Traverses and Coordinate Calculation
无定向导线的平差和坐标计算的应用
Carbon fibre reinforced plastics - Undirectional laminates - Tensile test parallel to the fibre direction
碳素纤维增强塑料.单向塑料层压制品.纤维方向平行抗拉试验