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lead pencil 鉛筆。

lead poisoning

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 本署計劃不久將以環保鉛芯筆和替換鉛芯,取代傳統的黑鉛筆,并會把這些環保產品列入標準用品項目。

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 鉛筆是這個世界上使用的最多的商品之一。在所有的書寫工具中,它最簡單,最方便,最便宜。

Vugular pore openings are frequently as large as an ordinary lead pencil and are usually attributed to leaching of the rock subsequent to deposition 空孔穴開孔通常與一支普通的鉛筆一樣粗,這是由于沉積后巖石的侵析作用造成的。

Templates for lettering and symbols . part 2 : slot widths for wood - cased pencils , clutch pencils and fine - lead pencils 書寫字母和符號用模板.第2部分:木質外體鉛筆,鐵桿活動鉛筆和細鉛鉛筆模型槽寬

About nine wooden lead pencils are sold here for every one of all other varieties of writing tools 差不多每一支其它種類的書寫工具售出,就有9支木制鉛筆被售出。

Very hard lead pencil 非常硬的鉛筆

Pieces of bread were used to erase lead pencil before rubber came into use 在橡皮擦使用之前,人們用一片面包來擦鉛筆字。

Graphite is used in making lead pencils 石墨常被用來做成鉛筆。

Many transistors are smaller than the eraser on the end of a lead pencil . 很多晶體管都比鉛筆頭上的橡皮還要小。