The application of the multi-cartridge writing pen can achieve the following effects: write a font with multi-line, allow the characters having cubic sense and better-looking.
实施本实用新型的多笔芯书写笔，具有以下有益效果：可以书写多线条的字体，使写出的文字具有立体感并更加美观。
The application of the multi-cartridge writing pen can achieve the following effects: write a font with multi-line, allow the characters having cubic sense and better-looking.
实施本实用新型的多笔芯书写笔，具有以下有益效果：可以书写多线条的字体，使写出的文字具有立体感并更加美观。
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