Can the car parked in a quiet place, gradually pulled the handbrake, the number of the ratchet pulling while clicking sound announced, until the handle to the end stop.

能够将轿车停在比较安静的地方，渐渐拉起手刹，边拉边数棘轮宣布的咔嗒声，直到手柄拉到尽头停止。

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Pulse electromagnetic DC motors, in their simplest form, consist of electromagnet with armature and ratchet wheel mounted on shaft. The right end of armature carries pawl.

脉冲直流电机的最简单结构形式是由固定在架子上的线圈和棘轮组成，线圈的右端装有棘爪。

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The time has come to ratchet up the IDF's counterterror operations in Judea and Samaria to end the current wave of terror before the Palestinians have the opportunity to get their killing machines back in gear.

CENTERFORSECURITYPOLICY: Whither the IDF?

As a result, game-app makers, who used to rely mostly on word-of-mouth to move their products, have been forced to ratchet up the cost and fanfare of their marketing campaigns to rival those for lower-end videogames and books, even borrowing from Hollywood's playbook.

WSJ: Costs Mount for Mobile-Game Launches