The "breaking edge" phenomenon produced in the cutting process is analyzed theoretically. The effective preventive measures for the "breaking edge" phenomenon are also presented.

分析了切削过程中产生的“扎刀”现象并提出防止“扎刀”的有效措施。

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Thispaper puts forward a new idea of the roof control design under such roof conditions. Firstof all, it is necessary to keep the re-break of the roof outside the breaking edge of the face.

据此提出了该类顶板条件下顶板控制设计的新思路：设计中应首先考虑把顶板的再断裂控制于切顶线之外，然后结合顶板的运动趋势及其对工作面支架的影响合理选择支护阻力以及其它辅助控顶措施。

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You may even feel like you're on the edge of breaking.

你可能会发觉自己像在崩溃的边缘。

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And your nerves are at the breaking edge, as you realize in terror: You have forgotten how to celebrate a holiday!

CNN: Halloween spirits are on The Web

The ice edge broke again, but, breaking it, he pulled himself infinitesimally toward shore, so that, when he went down, his feet found mud sooner.

NEWYORKER: Tenth of December

The visitors were further buoyed when Villanueva went closest to breaking the deadlock when he collected the ball on the edge of the box and his left-footed shot clipped the bar with Jussi Jaaskelainen well beaten.

BBC: Bolton 0-0 Blackburn