锥形螺栓;
Unscrew the central bolt and set it down in such a way that the conical area or trapezoidal thread cannot get dirty.
拧下中心螺栓并将其妥善放置,避免弄脏锥形区域或梯形螺纹。
Connecting bolts are arranged in the plugging conical points, and an anti-rotation key and an outer six-square sleeve which can realize the linkage are arranged on the screw bolt.
封堵内置有连接螺栓,螺栓上设有防转键及实现连动的外六方套。
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