| 1. | Many transistors are smaller than the eraser on the end of a lead pencil .
很多晶体管都比铅笔头上的橡皮还要小。
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| 2. | Graphite is used in making lead pencils
石墨常被用来做成铅笔。
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| 3. | Pieces of bread were used to erase lead pencil before rubber came into use
在橡皮擦使用之前，人们用一片面包来擦铅笔字。
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| 4. | Very hard lead pencil
非常硬的铅笔
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| 5. | About nine wooden lead pencils are sold here for every one of all other varieties of writing tools
差不多每一支其它种类的书写工具售出，就有9支木制铅笔被售出。
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| 6. | Templates for lettering and symbols . part 2 : slot widths for wood - cased pencils , clutch pencils and fine - lead pencils
书写字母和符号用模板.第2部分:木质外体铅笔,铁杆活动铅笔和细铅铅笔模型槽宽
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| 7. | Vugular pore openings are frequently as large as an ordinary lead pencil and are usually attributed to leaching of the rock subsequent to deposition
空孔穴开孔通常与一支普通的铅笔一样粗，这是由于沉积后岩石的侵析作用造成的。
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| 8. | The lead pencil is one of the most used pieces of merchandise in the world . it is the simplest , most convenient and least expensive of all writing instruments
铅笔是这个世界上使用的最多的商品之一。在所有的书写工具中，它最简单，最方便，最便宜。
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| 9. | In the near future , we plan to replace the conventional black lead pencil with green products like clutch pencil and lead refill . they will become our standard stock range
本署计划不久将以环保铅芯笔和替换铅芯，取代传统的黑铅笔，并会把这些环保产品列入标准用品项目。
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| 10. | In the near future , we plan to replace the conventional black lead pencil with green products like clutch pencil and lead refill . they will become our standard stock range
本署计划不久将以环保铅芯笔和替换铅芯，取代传统的黑铅笔，并会把这些环保产品列入标准用品项目。
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