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关注:1
2013-05-23 12:21
求翻译:Progress in developing a reliable pen was slow until the mid-19th century, because of an imperfect understanding of the role that air pressure plays in the operation of pens and because most inks were highly corrosive and full of sedimentary inclusions.是什么意思? 待解决
悬赏分:1
- 离问题结束还有
Progress in developing a reliable pen was slow until the mid-19th century, because of an imperfect understanding of the role that air pressure plays in the operation of pens and because most inks were highly corrosive and full of sedimentary inclusions.
问题补充: |
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2013-05-23 12:21:38
在开发一个可靠的钢笔进步是因为空气压力起着笔的操作和作用的认识不完善缓慢,直到19世纪中叶,因为大多数油墨是高度腐蚀性的,充满沉积岩包裹体。
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2013-05-23 12:23:18
在开发一支可靠的笔的进展是慢的直到19世纪中叶,由于对角色的不完美的理解气压充当笔的操作,并且,因为多数墨水沉淀包括高度腐蚀性和有很多。
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2013-05-23 12:24:58
进展在开发一支可靠的笔是慢的直到中间第19个世纪,由于对角色的不完美的理解气压充当笔的操作,并且,因为多数墨水是高度腐蚀性和充分的沉淀包括。
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2013-05-23 12:26:38
直到 19 世纪中期发展可靠的钢笔的进展很慢,因为不完美的作用的认识那空气压力戏剧在笔的操作中,因为大多数油墨被高度腐蚀性和充分的沉积夹杂物。
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2013-05-23 12:28:18
在开发一支可靠的钢笔方面的进展是缓慢的直到第 19 中期个世纪,因为对作用的不完美的理解在钢笔的操作中的那气压的话剧和因为大多数签署是高度腐蚀的和充满沉淀物的包含物。
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