机械石墨铅笔 Mechanical lead pencils
石墨铅笔 Black pencil ; Graphite Pencils ; graphite pencil
石墨铅油 graphite coating lead paint
石墨铅油漆 graphite lead paint
石墨粉/黑铅/笔铅 Graphite powder
铅石墨含油合金 ledaloyl
黑铅、石墨、炭精石墨 graphite
多孔铁铅石墨轴承 porous iron-lead-graphite bearing
石墨水彩铅笔 graphite watercolor pencil
石墨绘图铅笔 graphite drawing pencil
这个国家拥有煤炭、铁矿石、石灰石、菱镁矿、石墨、铜、锌、铅和贵金属等矿脉。
The nation boasts veins of coal, iron ore, limestone, magnesite, graphite, copper, zinc, lead and precious metals.
所用材料有石墨、高硅铸铁、铅银合金、铂、甚至废钢轨等。
These are graphite, high silicon cast iron, lead silver alloy, platinum, and even scrap steel rails.
探讨了复合孕育剂中铝量对含砷、锡、铅、钛铸铁石墨球化的影响。
An approach to the influence of aluminium content of inoculant on graphite spheroidization of cast iron containing as, Sn, Pb and ti was made.
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