watercolor drawing purple onion bulb isolated at white background hand drawn illustration,站酷海洛,一站式正版视觉内容平台,站酷旗下品牌.授权内容包含正版商业图片、艺术插画、矢量、视频、音乐素材、字体等,已先后为阿里巴巴、京东、亚马逊、小米、联想、奥美、盛
In a known method for producing an elongated component made of glass by pulling from a blank, the blank is fed to a heating zone, softened there in some areas, and the component is withdrawn continuously and in a controlled manner from the softened area, forming a drawing bulb. Here, ...