颜色转换笔 Color Transform Pen
颜色替换笔刷 Color Replacement Tool
圆规的可换笔头 interchangeable point of compass
色彩替换笔刷工具 Color Replacement Tool
替换笔芯 replacement refill
带转换笔尖 with conversion nib
切换笔记本 toggle notebook
可更换笔芯 replaceable refill
附带替换笔芯 comes with replacement refills
黑色墨水和转换笔 black ink and conversion pen
两支替换笔芯。
皮诺奇需要一本笔记本，但是格培多没有什么钱，因此他就把他的外套卖掉，换笔记本回来。
Pinocchio needed a notebook. Geppetto didn't have any money, so he traded his coat for the notebook.
本发明的有益效果是，可以替换笔尖，使好用的笔尖得到反复使用，提高了利用率，节约了原材料。
The pen core has the advantages that the pen tip can be replaced, so that good pen tips can be repeatedly used, the utilization rate is improved, and raw materials are saved.
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