金属水管锈蚀演变

生成一段20秒、16:9的电影感科学延时影像，展示一根放置在户外、长期暴露于空气和水分中的金属水管，经历数年的锈蚀过程。摄影机固定，采用清晰的近景或中近景，确保整根水管及周围风化表面可见。开头呈现干净的金属表面，随后真实地表现渐进式氧化：轻微变色、橙褐色锈斑、扩散的腐蚀、剥落的锈层、点蚀，最终达到严重锈蚀的状态。通过湿润、凝结和天气变化的平滑加速，传达数年时间的流逝，同时保持水管位置和画面构图一致。使用真实材质、符合物理规律的腐蚀效果、自然户外光线、细致的表面纹理、稳定构图和清晰焦点。不要出现人物、文字、标志、音频或源视频。

【English Prompt】
Generate a 20-second, 16:9 cinematic scientific timelapse showing a metal water pipe left outdoors and exposed to air and moisture over several years. Keep the camera locked in a clear close-up or medium close-up, with the entire pipe and surrounding weathered surface visible. Begin with clean metallic surfaces, then show realistic progressive oxidation: faint discoloration, orange-brown rust patches, spreading corrosion, flaking scale, pitting, and a heavily rusted final state. Convey the passage of years through smoothly accelerated natural changes in dampness, condensation, and weather, while keeping the pipe’s position and composition consistent. Use realistic materials, physically plausible corrosion, natural outdoor lighting, fine surface detail, stable framing, and sharp focus. No people, text, logos, audio, or source footage.

【推荐生成参数】audio_control.mode=native · duration=20 · ratio=16:9 · resolution=768P

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