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免費 Erlenmeyer 視頻 - 頁面 2

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veterinarian using syringe
clear liquid pouring into beaker
靠近被 bunsen 燃燒器加熱的 erlenmeyer 瓶子,上面少有凝結,熱波在瓶子中可見,開始形成氣泡
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銅硫酸五<unk>酸的藍色晶體在磁動器上被添加到 erlenmeyer <unk>子中
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chemistry laboratory with computer monitor and erlenmeyer flask
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scientist woman working with chemical reagents. chemical reaction in lab flask
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woman doing control at brewery
scientist pouring test tube liquid into a erlenmeyer flask
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一位醫生用疫苗填充注射器的近距離圖片
塑膠測量圓柱體在實驗室中
含有藻類的 erlenmeyer 瓶被搖動,以便藻類比不移動更快地生長
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doctor workplace modern clinic closeup. medical consultation online in hospital.
african american doctor on grey background.
lifting up along a 1000ml graduated cylinder on a black lab bench in a high school chemitry lab
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chemical glassware and molecule, 3d rendering.
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在bunsen燃燒器加熱的環式支架上,在erlenmeyer瓶中沸騰的水的底部
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白人研究員身穿白色外套和防護眼鏡的女性在綠色田野中觀看試管
colored chemicals pouring into beakers
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添加物質到綠色液體化學,科學化學實驗, 4k
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animation of lens flares and liquid filled conical beaker against blue background
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chemical glassware and golden dna, 3d rendering.
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吸入空氣 進去科學小瓶子
blue liquid swirling in beaker
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hand in gloves shaking medicine vial
animation of test flask, mathematical equations and dna strand diagrams over black background
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animation of red shapes over rotating glass with chemical reagent
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animation of dots moving on lines over liquid filled conical flask against abstract background
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animation of like text over beakers with liquid
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戴眼鏡的年輕女子的肖像,她的子和手圍著一條白色寵物蛇,手在綠色背景上2
animation of beaker icon over hexagons on white background
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little boy and girl with face mask using a microscope. kids and science.
red liquid on bottle and molecule models
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african american doctor on grey background.
一位女醫生用疫苗填充注射器的近景
people doing control at brewery
laboratory research concept. group of scientists discussing microscope research
magic science potion graphic red
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护士和女医生拿着covid-19疫苗的注射器的肖像
animation of element structures over conical lab flask of red liquid on blue background
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animation of data processing over beaker with blue liquid
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orange liquid pouring into beaker
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animation of mathematical formulas over scientist in laboratory
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little boy with laboratory glassware and a microscope. kids and science.
animation of data processing and vial over chemical formula on black background
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scientist putting chemicals into tubes
test tubes with samples in a rack 4k
hookah in a dimly lit night club
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