灰色线框气罐与弯管喷头模型

灰色3D线框技术模型，高圆柱形气罐直立居中，罐体顶部圆顶连接细长弯折喷管，喷管末端为带横向环纹的圆筒形部件，阀体右侧有圆形旋钮，整体以灰色细网格线勾勒，无实体材质贴图，无文字，孤立于纯白背景，正面平视略可见罐顶曲面，完整展示单个道具，构图细长竖幅，中性均匀冷灰光线，无阴影或弱阴影，产品技术建模渲染风格，画幅比例约1:4.4。

A gray 3D wireframe technical model of a tall cylindrical gas tank standing upright and centered, with a domed top connected to a slender bent tube, a ribbed cylindrical fitting at the tube end, and a round valve knob on the right side, rendered with fine gray mesh lines and no solid material textures or text, isolated on a pure white background, front view slightly revealing the top dome, full single-object display, narrow vertical composition, neutral even cool-gray lighting, little to no shadow, product technical modeling render style, aspect ratio approximately 1:4.4.