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1·Method: The separate application of clamp, root elevator or drilling root canal according to different type of post pin and place of root surface.

方法：根据不同类型桩钉及根面所处位置，分别采用钳取、根尖挺挺出及钻磨取钉等方法。

2·The brake clamp body is provided with two guide pins, and one guide pin is provided with a channel type rubber neck.

在制动钳体上设有两个导向销，并且在一个导向销上装有沟槽式橡胶套。

3·Her mother, a patient teacher, instructed Legadema in the skills she would need to survive as a predator: how to pin down prey and where to clamp on their throats with her jaws to suffocate them.

她的母亲是只有耐心的花豹，教导她成为一只懂得生存，而技术卓越的掠夺者；要等候在那处撂下猎物以及在喉头何处扣住使之窒息等。