名词
中文翻译：铅基合金
同义词：
['lead-free alloy', 'lead-free alloy', 'lead-free alloy']
例句：
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1. The newcar uses a lead-base alloy to reduce weight and improve fuel efficiency.
这款新车使用铅基合金来减轻重量并提高燃油效率。
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2. The construction of the bridge was made possible by using a lead-base alloy for its structural integrity.
这座桥梁的建设得益于其结构完整性使用了铅基合金。
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3. The alloy is used in many automotive parts due to its high strength and resistance to corrosion.
由于其高强度和抗腐蚀性，这种合金被广泛用于许多汽车部件。