球的顶端被墨水管中的墨水覆盖，球的底部则在写字时把墨水涂在纸上。
The top of the ball is 3)coated in ink from the ink 4)supply, and the bottom of the ball spreads the ink onto paper as one writes.
本发明提供在具有优异的柔软性和加工性的同时，水蒸汽或空气的透过性小、而且压缩永久变形小的喷墨打印机用墨水管。
Disclosed is an ink tube for inkjet printers, which has excellent flexibility and workability, while being small in compression set as well as in water vapor permeability and air permeability.
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