A practical and effective ultrasonic inspection method for detecting internal flaw of brake disc is put forward and the key procedure is to select a proper probe.

提出运用超声检测的方法检测制动盘内部缺陷是切实可行的，而选择合适探头是超声检测成功的关键。

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The technical problem-that the gliding rotary arm after braking is smaller than a small angle-is solved through internal contracting brake device designed by using electromagnetic circuit.

利用电磁电路设计的抱闸装置，解决了回转臂系统刹车后，滑动小于某一小角度这一技术难题。

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Remember, it was in the midst of Q4 that we thousands of Prius and other model owners lined up for brake and brake pedal repairs while executives explained internal memos about the need to delay publication of the discovered defects in these models at public hearings.

FORBES: Toyota And Wreckonomic Justice