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自动笔的英文单词是什么

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吉林快三   汉语解释:活动铅笔按铅笔芯直径大小分为粗芯(大于0.9mm)和细芯(小于0.9mm)活动铅笔。按出芯方式,可分为坠芯式、旋转式、脉动式和自动补偿式。那么,你知道自动铅笔的英文单词怎么说吗?

  自动铅笔

  自动铅笔的英文单词释义:

  propelling pencil

  网 络mechanical pencil;propelling pencil;mechanical pencils;automatic pencil

  自动铅笔的英文单词例句:

吉林快三   这枝是自动铅笔还是原子笔?

  Is this a mechanical pencil or a ballpoint pen?

  我很想知道为什么现在的同学们这么喜欢自动铅笔呢?

  I wonder why my classmates now like led pencils so much?


自动笔的英文单词

  过去的几年,在现代化前期的中国,我从来都没有见过自动铅笔。

吉林快三   Living in the last years of pre-modernized China, I had never seen a mechanical pencil before.

  第一只弹簧式自动铅笔在1877年申请专利,随后的1895年出现了拧填式铅笔。

  The first spring-loaded mechanical pencil was patented in 1877 and a twist-feed mechanism was developed in 1895.

吉林快三   1915年,由刚刚出师的冶金工人TokujiHayakawa对自动铅笔做出了一些改进,才使得它能够获得成功。

  The mechanical pencil became successful in Japan with some improvements in 1915 by Tokuji Hayakawa, a metal worker who had just finished his apprenticeship.

  与传统铅笔相同,自动铅笔的铅芯根据使用者的不同需求,对石墨和粘土的配比进行控制,从而做出不同黑度和硬度的铅芯。

吉林快三   As with non-mechanical pencils, the leads of mechanical pencils are available in a range of graphite/binder ratios, depending on the user's desired balance between darkness and durability.

吉林快三   另一方面长期市场也逐渐增长,由于对钢笔使用良好感觉随后推出的圆珠笔,自动铅笔,四色圆珠笔也受到了青睐。

吉林快三   However its permanent market penetration did increase, due to the example of the first users, and it was followed by a ball point pen, a mechanical pencil and a four-colour ball point pen.

吉林快三   在有光泽的桌子上,学习用品无秩序地排列着,笔记本纸凌乱地散着,自动铅笔和一个粉红色的橡皮在各科科本之中。

吉林快三   On the lustrous table, several school items lie in a disorderly array, scattered sheets of notebook paper, modern mechanical pencils, a pink eraser, along with many textbooks form various classes.

吉林快三   1. A propelling pencil with break - resistant 0.7 - mm lead for secure writing andsketching. 打破带有 抗 0.7 毫米自动铅笔书写的安全和素描领先.

  2. His classmates began to write, but the lead inside child's mechanical pencilkept broken. 同学开始写了,大家都一直在写, 可是小孩的自动铅笔芯不停断掉.

  3. Is a factory specializing in - end ball - point pen Gel advertising pens andpencils the pens auto business. 桐庐都君笔业制品厂是一家专业从事中高档的圆珠笔、中性笔、广告笔及自动铅笔的制笔企业.

吉林快三   4. PILOT Corporation's products include ballpoint pens, gel ink pens, fountainpens, mechanical pencils, and whiteboards. 公司产品主要有圆珠笔 、 水笔、中性笔 、 钢笔 、 自动铅笔 、 记号笔、白板笔及相关的辅助产品.

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