| 摘要 |
Attempts to reduce the water consumption of modern washing machines have resulted in dipping the drum only slightly in the water level but providing in addition to the flights pairs of scoops. The automatic washing program is now divided in a wetting section with a drum speed of max. 30 rev/min, a clear wash section with 60 rev/min, a rinsing section and a spin drying section. During the wetting section, the drum is driven at max. 30% (25%) duty cycle and in the scooping direction alternating with the draining section.
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