See Actuators &Accessories section for: Bevel gear, spur gear, chain wheel, motor or cylinder actuators; Bypasses, drains or auxiliary piping; Special packing, etc.

参阅执行机构和附件章节，了解：伞齿轮，正齿轮，链轮，马达或缸体执行机构；旁路，排泄，或辅助管路；特殊填料，等等。

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The various forms have a multitude of USES as coatings, packing films, molded parts, insulation, piping, etc.

不同形式的聚乙烯有许多用途，例如涂料、包装膜、模塑件、绝缘材料、管道等。

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Calculation method to determine sprayer point for liquid spray even distribution from row row piping sprayer in a packed tower with wave type packing is introduced.

介绍波纹填料塔内采用排管式喷淋器时液体喷淋点均布的计算方法。

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