京东 11.11 红包
illy Y3.3胶囊咖啡机的除垢步骤 | How to descale your illy Y3.3 coffee machine
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如何设定illy Y3.3 咖啡机的出液量 | How to program volumes on your illy Y3.3 coffee machine
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illy Y3.3 胶囊咖啡机正式使用前的清洗｜How to get your illy Y3.3 coffee machine up and running
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调整illy胶囊咖啡机的温度 | How to adjust the temperature of your illy Y3.3 coffee machine
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你知道胶囊咖啡机的工作原理吗？
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天竺葵的扦插方法 | How to take geranium cuttings?
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无需等待，一分钟自制香醇咖啡，高颜值平价迷你胶囊咖啡机分享
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实验操作技巧-三通吸球的使用方法 ｜How to Use a Pipet Filler
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物理｜直流电动机｜How to build a simple DC motor from scratch
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化学-热冰实验（过饱和溶液结晶） | Hot ice - Stalagmites from Supersaturated Solutions - RSC
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实验操作技巧-大肚移液管和移液泵的使用 | How to Use a Volumetric Pipette (and a Pipette Pump)
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生物-班氏试剂检测食物中的还原糖 | Reducing Sugars using Benedict's Reagent Demonstration
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城市通勤骑行头盔｜Thousand helmet comparison difference: Chapter VS Heritage
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抗原自测盒原理｜Kate Biberdorf
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物理-电场演示实验 | Electric Field Demo with caster oil and semolina seeds. - CLEAPSS
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生物｜检测光合作用产生的氧气｜Detection of oxygen produced in photosynthesis
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生物｜光强对植物气体交换的影响 | Effect of light intensity on gas exchange in plants
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化学-演示实验｜制备尼龙 | Making Nylon
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生物｜用碘液检测光合作用产生的淀粉｜Detection of starch produced in photosynthesis by iodine test
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生物｜用蒸腾计测量植物水分的吸收和损失 | Using a weight potometer
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化学方法回收用纯涤纶制成的衣物｜日本Jeplan公司
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生物｜制片和观察蒜瓣根尖细胞有丝分裂 | Observing Mitosis in Root Tips
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化学-金属离子焰色反应 | Flame Tests of Metal Ions - NCSSM
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物理｜蒸汽机｜Mamod SP2 Toy Steam Engine
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生物｜探究食物的能量｜Investigating the energy content of food
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化学-卤素置换反应 | Halogen Displacement Reactions - RSC
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化学-演示实验｜ 尼龙6, 10的合成 | Elementary Productions: Nylon synthesis
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生物｜探究运动前后呼吸的变化｜Changes in Breathing before & after Exercise | Breath Volumn Kit
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【含蛆慎点】生物-使用呼吸计/测压计探究生物呼吸作用｜A-Level Biology - How to Use a Respirometer/Manometer
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化学-离子鉴别｜Identifying Ions - GCSE Science Required Practical
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化学-演示实验铝热反应 | Thermite Reaction
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生物｜用蒸腾计测量植物的蒸腾速率｜Measurement of transpiration rate using a bubble potometer
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今天没前摇
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化学-演示实验银镜｜Silver Mirrors
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34岁不婚无娃英国留学之“阶级跨越”！！！
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20231215 张敬轩澳门伦敦人 The Prime Classics 纸扎弟弟系真爱 | Live Pics in Gold 2
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Micro-electrolysis of Copper(II) Chloride Solution 微型电解装置-电解氯化铜溶液
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生物-演示实验：食品色素电泳｜Lab Demo: Food Dye Electrophoresis
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美食UP主生娃胖了80斤，如何成功逆袭？！
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生物-温度对酵母中脱氢酶的影响｜Effect of temperature on dehydrogenase in yeast using TTC
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实验操作技巧-大肚移液管｜ Laboratory Techniques-Bulb Pipette (Chemistry Laboratory Previews)