A combined seal piece of a high pressure square section with a rotary end surface belongs to an end surface seal piece.

一种端面旋转高压方形截面组合密封件，属于端面密封件。

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A combined seal piece of a high pressure square section with a rotary end surface belongs to an end surface seal piece.

一种端面旋转高压方形截面组合密封件，属于端面密封件。

youdao