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1.Molten lead is a hazardous material that must be handled with extreme caution.
熔融铅是一种危险物质，必须小心处理。
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2.During the molten lead heat treating process, the temperature must be carefully controlled to avoid damage to the equipment.
在熔融铅热处理过程中，温度必须小心控制，以避免对设备造成损害。
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3. The molten lead heat treating process is essential for the production of electrical components, as it ensures thequality and consistency of the metal.
熔融铅热处理过程对于生产电气组件至关重要，因为它保证了金属的质量和一致性。