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铅-钙-铝合金的研制成功,填补了我国一项空白,是我国合金制造业一项重大的技术突破。这种合金可用来制造长寿命的免维护蓄电池,为我国蓄电池工业的迅速发展开辟了新的途径。
The successful development of lead-calcium-aluminum alloy has filled a gap in our country and is a major technological breakthrough in China’s alloy manufacturing industry. This alloy can be used to create long-life maintenance-free batteries for the rapid development of China’s battery industry has opened up new avenues.