Based on the measured swirl and tumble, the evaluations of the inclined-axis swirl were calculated with a specified method. The results are as follows.

利用稳流气道试验台对这种可变进气结构的涡流和滚流进行了实验，采用特定方法计算了可变进气结构的缸内斜轴涡流特性。

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This test method covers the resistance to the formation of pills and other related surface changes on textile fabrics using the random tumble pilling tester.

本标准主要描述了乱翻滚式测试仪，对纺织品材料抗起球性能和有关织物表面变化趋势的评价。

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