单词：pivot friction
pivot friction的用法和样例：
例句
- However, as spin speed is increased, the power required to overcome windage and bearing friction rises sharply.但是，随着自转角速度的增加，克服风阻和轴承摩擦的功率急剧地提高。
单词：pivot friction 相关文章
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VOA标准英语2014年(三月)
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VOA常速英语2013年(十月)
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BEIJING, Apr. 16 (Xinhuanet) -- China and the United States will experience more trade friction in the high-end manufacturing sector, as Washington protects its domestic industries, officials said on Sunday. Friction will surely increase as China and
英语新闻
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