During the drop, better have a lower speed of resitting and a smaller wrap Angle, which can have a smooth resitting without fierce impact.

在气门下降段，将气门的落座速度和下降段缓冲包角取小些，使得气门落座平稳，无激烈的冲击现象。

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And if you 'resitting out there wondering about the future, sad to leave your friends, or hoping desperately for this speech to end, I want you to know that there are some amazing days ahead.

如果你们只是坐在那里为未来而茫然，为离开你们的朋友而悲伤，又或者极度希望这个演讲尽快结束，那么我希望你们知道，未来还有许多精彩的日子在等着你们。

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