Distance between pockets by ribs 求翻译,

题目

Distance between pockets by ribs 求翻译,
这是服装类的英语,讲的是口袋之间的距离,现在就是想问这个by ribs 是什么意思!
Distance between pockets by ribs
X Smallx09 Small x09Medium Large x09X Large x09 XX Large
5x09 5x09 5x09 7x09 9x09 9
你们可以看看，上面是衣服尺寸对应的ribs的数量

答案

rib,本义肋骨,后引申为肋状物
英文解释为A stitch pattern in knitting,一种织物图案.