Conversely, if the washing machine drum lower prices, consumers will shift to buy roller washing machine, making waves to reduce the demand for wheel.

反之，如果滚筒式洗衣机的价格下降，消费者就会转向购买滚筒式洗衣机，使得波轮式的需求量减少。

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The bell has a specific name of the site, known as moving the upper and the lower part is called the drum bell mouth 16.20 for milling, bell onthe lips say, Name-minute dance.

钟的各部位都有着特定的名称，上部称为钲，下部谓之鼓，钟口两角为铣，钟唇曰于，钟顶名舞。

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But as experiment time increases, the effect of increasing friction for driving drum with concave covering-layer is decreased, and much lower than the driving drum with convexity covering-layer.

但是凹坑形仿生非光滑传动滚筒随着实验时间的增长，其增摩效果受到一定的影响，效果不如凸包形仿生非光滑传动滚筒。

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