gel pen

常见例句

You can use a colored gel pen to write dates, names, and other highlights about the activities in the pictures.
您可以使用彩色中性筆寫日期，姓名，和其他突出的活動圖片。
TDG-MS was applied to study the composition changing of blue gel pen inks on paper during artificial ageing at the time of this study.
採用熱重-質譜聯用（TDG-MS）技術研究紙張上藍色簽字筆墨水在人爲老化過程中組分的變化情況。
At present, the poor stability and bad rheological properties were the big technical bottlenecks of China gel pen ink, which influenced the healthy development of China gel pen ink industry seriously.
因此深入研究中性墨水制備工藝，解決制備過程中的技術瓶頸，實現高品質中性墨水的國産化對推動我國中性筆行業的健康發展具有重要意義。