基本解释[纺织科学技术]后裆缝英汉例句双语例句By means of mathematical analysis, the paper discusses how to determine the seam gradient of back trouser crotch according to types of figure.本文结合人体体型，从适身型角度，利用数学方法分析探求后裆缝斜度的确定问题。back crotch seam更多例句专业释义纺织科学技术后裆缝