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Usually the same belt drives the alternator, and belt tension is adjusted by swinging the alternator on its mounting. 这根皮带一般也驱动交流发电机工作，皮带的张紧度通过在支座上摆动发电机的位置来进行调整。
In this paper, a new method for calculating the power ratings of ribbed V belt drives according to their expected service life is presented . 给出一种按预期寿命来计算多楔带传动额定功率的新方法，能合理地计入传动比、带长对传动能力的影响，并易于编排计算机程序。
April 22, 2010 - Model RTH-4 rotary tables provide angular positioning and are designed to eliminate backlash, friction and wear problems associated with worm, gear and belt drives. 2010年4月22日 -型号RTH-4旋转台提供角定位，且专门设计用于消除与螺纹，齿轮和皮带传动有关的侧隙，摩擦和磨损问题。
权威例句
People with a high tolerance for risk make careless passwords in the same spirit that someone drives without a seat belt, assuming the odds are against an accident. ENGADGET: Editorial: Countering ID theft requires better awareness campaigns