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- black gel pen 黑色签字笔
- Specilize in: ball pen, gel pen, permanent marker, white board marker, highlighter,different kinds of erasers. 主要生产：圆珠笔，中性笔，记号笔，白板笔，荧光笔，各类橡皮。
- Mazzella WD,Khanmy-Vital A A Study to Investigate the Evidential Value of Blue Gel Pen Inks Journal of Forensic Science 2002,27,(5). 徐媛媛.;黑色签字笔墨水字迹形成时间的研究[M]
- Abstract 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. 摘要 采用热重-质谱联用（TDG-MS）技术研究纸张上蓝色签字笔墨水在人为老化过程中组分的变化情况。
- Wilson JD.Laporte GM,Cantu AA.Differentiation of Black Gel Inks Using Optical and Chemical Technique[J].Journal of Forensic Science 2003,26,(2). 刘宝珠.;中性笔墨水及电脑喷墨再注墨水的研究发展[J]
- On Ink of a Gel Pen and Its Examination Methods 签字笔墨水及其检验方法
- As the largest refill supplier in China, Mecan offer all kinds of ball pen refills,parker refills,cross refills,gel pen refills and OBG refills moreover,We offer finished pens as well. 义乌市美能笔业有限公司专业生产圆珠笔芯、派克芯、高仕芯、中性芯以及中油笔芯，此外还生产圆珠笔和中性笔。
- Products Wanted: gel pens and refills, laundry tablets, soap, shower bath gel, cotton swabs, dental floss and picks, beauty care products and many other products for supply of supermarkets. 需要货品:供应超级市场的多种产品，凝胶体及补充剂、洗衣板、花洒浴液、棉拖扫、牙缝拉线及牙签、美容用品等。
- Differentiation of Black Gel Inks Using Optical and Chemical Techniques 利用光学和化学方法识别黑色胶体墨水的差异性
- He was in black from crew to earing. 他全身上下都穿着黑衣服。
- He whipped up a pistol and shot at the black bear. 他急忙抓起手枪，向那头黑熊射击。
- Many people were taken off by the Black Plague. 许多人被黑死病夺去了生命。
- The man is carrying a small black plastic handbag. 这个人提着一个黑色的小塑料提袋。
- The old trade in black ivory is on more. 昔日非洲黑奴的买卖已不复存。
- The black sedan suddenly drew out into the traffic. 黑色轿车突然开动，驶进了车流。
- I have a snag in my best black tights. 我最好的一条黑裤袜给划破了。
- He fell down the stairs and was all black and blue. 他从楼梯跌下而青一块紫一块了。
- Black and white show a striking contrast. 黑和白形成明显的对比。
- She buy a black nightie to wear on her honeymoon. 她买了一件黑色睡衣准备在蜜月时穿。
- Please fill in the blanks with a black pen. 请用黑墨水笔填写空格。
