Drawing the last part of the pit wall profiles was a bit of a challenge.

绘制坑墙轮廓的最后部分有一点挑战性。

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Thus it is conceived that the bit can be developed by coupling with micro convex non-smooth material (diamond) and macro smooth pit, which may lead to the high efficiency and strong wear.

于是想到将微观凸包非光滑(金刚石)和宏观凹坑非光滑复合来设计钻头，如此可以实现高效耐磨的目的。

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After you have made the pit of the petal the way you want it, now it is time to erase the edges to make this a bit more refined.

在你做出了花瓣上的凹坑部分以后，现在你可以擦掉边缘部分以让它更精致一些，我使用不透明度为12，大小为20的笔刷。

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It's always nice when I could pit a bit later than people and cover people off.

CNN: STORY HIGHLIGHTS

One person who first dug a pit was thought to be a bit proud.

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Hamilton said he had been told by the team that the red light was on at the end of the pit lane, but that the warning came "a little bit late".

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