带桶口和管圆 bottemed 瓶。黑色和白色图 / 大纲。此外用墨水滴,以显示热膨胀系数从一般的科学M.伯莎 · 克拉克,PH 值。D.(古腾堡 16593 电子书) 瓶 桶口 圆 bottemed 圆底烧瓶
Round bottemed flask with bung and tube. black and white diagram / outline. Also with ink drop to show thermal expansion From GENERAL SCIENCE BY BERTHA M. CLARK, PH.D. (Gutenberg EBook 16593) black & white 桶口 课堂 圆底烧瓶
<p>设置科学化学瓶医学实验室 organick 实验室</p><p><em>Organick 化学设置剪贴画</em></p> 化学 媒体 剪贴画 Organick 化学设置剪贴画
Round bottemed flask with bung and tube. black and white diagram / outline. Also with ink drop to show thermal expansion From GENERAL SCIENCE BY BERTHA M. CLARK, PH.D. (Gutenberg EBook 16593) black & white 桶口 课堂 圆底烧瓶