zig-zag stitches meaning in Chinese

人字线步

Argiope [ / i ] has the typical circular vertical web , with some broad white zig - zag stitching forming a stabilimentum on which the spiders rests , head down
这类蛛常织圆形垂直网，在中心附近会有明显粗大的支持带，形成一个大交叉。而?休息时，姿态亦像十字一样，十分有趣。
However , single types are difficult in sewing heavy material and more materials once , it ll cause poor stability feeding and much attrition . in order to ensure zig - zag stitch , linking stitch , locking stitch . wemust adopt double type . needle plate and presser foot of double type should be changed together if you want to use double tye istead of single type . the size of their scres and installs are all - purpose
有时为了保证曲折线缝拼缝锁边等缝纫要求,就要采用双长型送布牙,如果要想把单长型改换成双长型时,必须同时更换双长型的针板和压脚,其螺钉和安装尺寸是通用的