Variable speed controller: This's our manufactory latest product. You can get any speed for 0-full by turning the round button on the controller.
调速器：公司最新研发的一款风机调速器，通过旋转按钮，可调节风机0速度至全速间的任一个速度。
The reports list product specification and SPC violations organized by Data Set and Variable.
报告列出了产品规范以及产品数据溢出情况。
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