可以使用便签贴纸粘上去，在上面写上号码，就可以做到能重复或者换个地方使用！最好使用耐高温耗材打印，以防在太阳的照射下变形！

You can use sticky notes to stick it on and write the number on it, so that it can be repeated or used in a different place!It is best to use heat-resistant consumables for printing to prevent deformation under sunlight!