The wear volume loss of positive brush is more than that of negative brush.
复合材料的电磨损体积与电刷的极性有关，正刷的磨损体积大于负刷的磨损体积；
Other than that whatever else is said by others you just have to brush it aside, believe in yourself and stay positive.
别人怎么说和你无关。你要相信自己，有一个积极的心态。
Other than that whatever else is said by others you just have to brush it aside, believe in yourself and stay positive.
别人怎么说和你无关。你要相信自己，有一个积极的心态。
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