工程科技信息图风格

A concise Nano Banana Pro instruction set for creating technical, hard-edge infographics. The process involves selecting an object, ensuring realistic clarity, and overlaying black, hand-drawn engineering annotations (labels, dimensions, materials, cross-sections, arrows) to achieve an 'Engineering Manual + Exhibition Plaque' texture.

1️⃣选 OBJECT
2️⃣写实图保持清晰可见
3️⃣叠黑色手绘工程标注（标签、尺寸、材质、剖面、箭头）

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