Warning: file_put_contents(/www/wwwroot/zidian/biehu.cn/cache/5022fe239897f388f3fb28e33da4a426.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/biehu.cn/index.php on line 58 back crotch seam例句_back crotch seam英汉例句_back crotch seam双解例句_甲百汇小鸡词典
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。