名词短语
中文翻译：铅粉冲击填充剂
同义词：
['lead powder', 'lead shot', 'leaddust']
例句：
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1. The engineerused a lead powder to coat the surfaceof the metal.
工程师用铅粉涂覆金属的表面。
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2. The lead powder was usedas an insulator in the electricalcircuit.
铅粉用作电路中的绝缘材料。
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3.The lead powder was mixed with water andapplied to the surface of the wood tocreate a protective coating.
将铅粉与水混合后涂抹在木材表面，形成保护层。