...anol), 浓盐酸, 二氧化矽粉 体 3-2 测试仪器 电子秤(Electric weighting scale)：Jex-200 型, 磁加热搅拌器(Mechanical Stirrer)： Barnstead Thermolyne SP46925 型, 烘箱(Drying oven)：CH-45 型, 高温爐：FCD 13A 型, 超音波震荡器：Cole-Parmer 8853 型, ...
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The mechanical stirrer has been working for several hours.
这台机器搅拌器已连续工作好几小时了。
In a 250-cc. three-necked, round-bottomed flask provided with a mechanical stirrer is placed 21.2g. (0.2 mole) of benzaldehyde , and 18.6 g. (0.2 mole) of aniline is added with rapid stirring.
在250毫升。三口，圆底烧瓶用机械搅拌器提供放置二十一点二克。（0.2摩尔）苯甲醛，和18.6克（0.2摩尔）苯胺的加入快速搅拌。
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