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betonimassan syu00f6ttu00f6ruuvi and method for preparing syu00f6ttu00f6ruuvin
betonimassan syu00f6ttu00f6ruuvi and method for preparing syu00f6ttu00f6ruuvin
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机译：betonimassan sy u00f6tt u00f6ruuvi和制备sy u00f6tt u00f6ruuvin的方法
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摘要
The invention relates to an auger feeder of concrete mix comprising a helical segment, which auger feeder comprises at least one insert (22), which is manufactured of material that is softer than that used for manufacturing the auger feeder's helical segment. One insert (22) is mounted on a downstream end of the auger feeder. The invention also relates to a method of manufacturing an auger feeder, which method comprises manufacture of a helical segment of the auger feeder, in which method at least one insert is manufactured from a material softer than that used for the auger feeder's helical segment. The insert (22) is to be mounted on a downstream end of the auger feeder of the casting of the auger feeder's helical segment.
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