很显然,后边which引导的从句中有两个谓语,句子是有问题的,建议你把原文发过来,我帮你看看.About the length I have written under the last picture is 61cm/24",maybe it's not obvious.Actually I listed it in ebay.com but I also select "list in ebay.uk" options，you can see the item location which the real location it is.整句是这样 谢谢了那这样就没有问题了，作者是让你查阅那个网址找到更清楚的长度。