The principle, normal troubles and precautions for bell - jar wire coiler are introduced.

介绍了钟罩式卷线机的工作原理 、 常见故障及预防措施.

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The Bell Jar is an autobiographical novel written by Sylvia Plath.

摘要《钟形罩》是普拉斯的自传体小说.

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Two men sneak up behind it, carrying a bell jar.

两个男人手持罐子,蹑手蹑脚而上.

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Doctor Frank Kuhnemann of Bonn University has been trapping the ethylene in a bell jar.

波恩大学教授弗兰克·屈内曼一直在用钟形玻璃容器收集这种气体.

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Be careful not to break that bell - jar.

小心别把那个钟 型 罩给打碎了.

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