蓝色金属燃气加注罐

纯白背景中央直立放置一只细长的蓝色金属燃气加注罐，圆柱形罐身，上下有金属环缝，表面带轻微磨损、划痕和斑驳，正面中下部印有浅色小号警示文字且字迹模糊；顶部为金属阀座，向上延伸一根细长金属导管，末端有喷嘴和金属接头；写实棚拍产品图，正面平视，竖向构图，均匀柔和的白色影棚光，金属高光清晰，蓝色漆面呈哑光质感，突出细长罐体比例与喷嘴结构。

A tall slender blue metal gas refill canister standing upright centered on a plain white background, cylindrical body with metal seam rings, slight wear, scratches, and mottling on the surface, faint small light-colored warning text printed on the lower front with blurred illegible lettering; a metal valve seat on top extending into a long thin metal tube ending in a nozzle and metal fitting; realistic studio product photography, front view at eye level, vertical composition, soft even white studio lighting, clear metallic highlights, matte blue paint, emphasizing the elongated canister proportions and nozzle structure.