The plane stress theory is applied to analyze the contact stress between cast track and roll wheel.

采用平面应力理论来分析滚轮与轨道的接触应力问题。

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The method to develop high precision and durable idler wheel to dress the single roll wheel is expounded. The experiments are made and the feasibility conclusion is obtained.

提出了开发高精度、高耐用度修整单滚道砂轮用滚轮的方法，在实验的基础上得出了可行性结论。

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No one is listening. Everyone is jammed around the 800 tables, focused on the flip of cards, the spin of the roulette wheel or the roll of dice.

没有人在听。每个人都挤在800张赌台的周围，目不转睛地盯着翻开的纸牌、旋转的轮盘或者滚动的骰子。

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If you roll the roulette wheel, try to get out of the trade before your losses get over 10%-15%.

FORBES: Looking At Options On A Day Of Strange Confessions From O.J. To Google

Extras: Cold weather package, driver assist package, luxury seating package, premium sound package, 20 inch wheel with performance tires, active roll stabilization, instrument panel with leather, ceramic controls, and BMW apps.

FORBES: Car of the Week: 2012 BMW 650i