Internal gear pump has two kinds of tooth profile namely: involute profile and cycloidal tooth profile.

内啮合齿轮泵有两种齿形即：渐开线齿形和摆线齿形。

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Internal gear pump has two kinds of tooth profile namely: involute profile and cycloidal tooth profile.

内啮合齿轮泵有两种齿形即：渐开线齿形和摆线齿形。

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