The wall thickness of the tube will be increased with increasing back pressure or increasing friction coefficient.

管材弯曲内外侧壁厚随着反推压力的增大或摩擦系数的增大而增大。

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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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It is fairly easy to measure a friction coefficient by putting an object on an incline and by changing the angle of the incline, increasing it This is the angle alpha.

测量摩擦系数有一种简单方法,把物体放置在斜面上,然后不断增加斜面的倾斜度,这是角α

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There has been increasing friction between the two sides since an internal airport business review was leaked to the union in October 2001.

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His thesis is that Europe's increasing friction with the U.S. is a natural outgrowth of the second-fiddle role the continent is destined to play in world affairs.

FORBES: Sidelines

Lead scientist Professor Nicholas Spencer suspected that this property could neutralise the effectiveness of the synovial fluid as a lubricant - increasing friction and wear in the hip implant.

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