illustration of osmotic flow, two u-shaped tubes with semipermeable membranes and containing liquid, green spheres indicate large solute particles and red spheres indicate small solvent particles - 輸送管 幅插畫檔、美工圖案、卡通及圖標
laboratory gradient color solid line icon design. suitable for infographics, web pages, mobile apps, ui, ux, and gui design. - 輸送管 幅插畫檔、美工圖案、卡通及圖標線圖示, 實驗室
summer collection of cute children on inflatable ring. set of diverse kids in swimsuit floating on the inflatable circle - 輸送管 幅插畫檔、美工圖案、卡通及圖標嬰兒, 游泳池, 兒童
blaise pascal's experiment with atmospheric pressure, using a thick-walled glass tube, measuring dif - 輸送管 幅插畫檔、美工圖案、卡通及圖標
laboratory and research doodle set, circular composition with lab girl in the center - 輸送管 幅插畫檔、美工圖案、卡通及圖標兒童, 圖畫 - 藝術品, 研究
a geissler spectral tube is a sealed glass tube containing a low-pressure gas and two electrodes, invented by heinrich geissler in 1857 - 輸送管 幅插畫檔、美工圖案、卡通及圖標