钢笔怎么换墨(钢笔怎么换墨水管)

综合百科2023-08-21 00:23:02佚名

1、把钢笔拧开,把用完的墨囊拿出来。

2、把新的墨囊对准接口,慢慢转着使劲按下去。

3、放进笔筒倒立一分钟,让墨水蔓延到钢笔即可。

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