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笔心

na.refill (for a ball-point pen)
网络pencil lead; pen core; recanvi de bolígraf

笔心

英-汉英-英网络释义

笔心

pencil lead

用英文介绍文具_百度知道 ... 尺子 ruler 笔心 pencil lead 圆规 compasses ...

pen core

2010722224049513 ... 笔 pen 笔心 pen core 笔尖 pen nib ...

recanvi de bolígraf

大学会话指南 ... 目录 catàleg 笔心 recanvi de bolígraf 签条 / 标签 etiqueta ...

1

A PROBLEM OCCURS WHEN THERE IS LEFTOVER GLUCOSE IN YOUR BLOOD FOLLOWING A REFILL OF CARBOHYDRATE STORES .

当有遗留问题出现在你的血液葡萄糖后笔心碳水化合物店。

2

How are pencils made ? Is it by putting the lead between two strips of wood and then glue it together ?

请问铅笔是怎么制造的？是不是两瓣木头把笔心夹住后粘在一起？

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