To ensure a secure connection between the arm and the disc nut, split pin is used.

为了确保臂杆和阀瓣螺母之间的安全连接，使用了开口销。

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To ensure a secure connection between the arm and the disc nut, split pin is used.

为了确保臂杆和阀瓣螺母之间的安全连接，使用了开口销。

youdao