求翻译：金属拉西环是由德国工业家Raschig发明，拉西环填料也是工业应用最久的典型的颗粒型填料，其构造简单，制造便当，造价低廉，至今仍被普遍应用着。金属拉西环填料的外形简单，高度与直径的尺寸相等的填料。是什么意思？

Metal Raschig rings by the German industrialist raschig invention, Raschig ring packing is also the oldest industrial applications typical particle packing, its structure is simple to manufacture lunch, low cost, is still universal application. The shape of the metal Raschig rings packing, packing o

Pull the metal ring is funded by the German industrialists Raschig invention, pull the ring filler is also the most long-awaited industrial applications of the typical type filler particles, its very simple, low cost manufacturing, and still is a universal application. Pull the loop of the filler fo

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Metal laxihuan by Germany industrialists Raschig inventions, laxihuan packing industrial application is the most typical particle-packed for a long time, its simple construction, manufacturing, low cost, yet are commonly used. Simple metal laxihuan packing shape, height and diameter equal to the siz

The metal pulls Western's is by the German industrial Raschig invention, pulls the Western padding also is the industrial application most long model pellet padding, its structure is simple, makes the lunch, the construction cost is inexpensive, until now generally is still being applied.The metal p