surface in contact的意思|示意

Sliding friction is independent of the area of surface in contact.

滑动摩擦力于表面接触的面积无关.

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At this point, the air valve stem end is just the counter - plate surface in contact.

此时, 空气阀柱端部刚好与反作用盘的表面相接触.

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This metal's service metal surface in contact with the water, will heat the water.

这些金属的表面与水接触, 并加热水.

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This shows that sliding friction is proportional to the reaction between the surface in contact.

这说明滑动摩擦力与接触表面的作用力成正比.

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This metal service surface in contact with the water where, will heat the water.

这个金属的表面与水接触, 它能加热水.

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This metal surface in contact with the water, will heat the water.

这个金属面和水接触, 即可加热水.

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