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The sale usually takes place outside the house
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Helen had to shout __above the sound
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There ___ some water in the bottle
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ADADADADAD
烧瓶,瓶颈,区别
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The sale usually takes place outside the house
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Helen had to shout __above the sound
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There ___ some water in the bottle
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题目蒸馏烧瓶和圆底烧瓶的区别可圈可点用户2021-02-24 04:48优质解答“圆底烧瓶”和“蒸馏烧瓶”在瓶颈处有所区别。“蒸馏烧瓶”瓶颈处有一略向下伸出的细玻璃管，
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题目
蒸馏烧瓶和圆底烧瓶的区别
可圈可点用户
2021-02-24 04:48
优质解答
“圆底烧瓶”和“蒸馏烧瓶”在瓶颈处有所区别。“蒸馏烧瓶”瓶颈处有一略向下伸出的细玻璃管，可用于引流蒸汽。另由蒸馏烧瓶加热需要堵住瓶口知，必有另一管伸出。“圆底烧瓶”则无此装置，瓶颈即为普通直管。
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