This essay describes the application of the cylinder cram mechanism and the planetary gear system in the multi head anti stealing cover seal mechanism.

通过行星轮系-圆柱凸轮机构在多头防盗盖封口机中的应用，详细论述了其运动原理及设计要点。

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In part, this is because the interglacial during which human population has expanded to cover the earth is ending, and in part it is because mankind does not have planetary institutions that are sufficiently robust to enable widespread agreement about this issue.

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