Brush seals can remain seal clearances unchanged after rotor's moment large scale radial moving.

刷式密封在转子瞬间大幅径向位移后可保持密封间隙不变。

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For large scale inscriptions, the outline of the letter is traced and then filled in with a brush.

大型题词，先描轮廓，然后再用笔刷填满。

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For large scale inscriptions, the outline of the letter is traced and then filled in with a brush.

大型题词，先描轮廓，然后再用笔刷填满。

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