人们利用电能运转机器。
嗜睡者在开车、滑雪、运转机器或动力设备的时候应避免突然入睡，否则会招致危险状况的发生。
People with narcolepsy should avoid situations in which a sudden sleep attack might be dangerous . this includes actiities like driling , skiing , and operating machinery or power tools.
若在履带板螺栓松动的情况下继续运转机器，会使螺栓和履带板之间产生间隙，进而导致履带板的裂纹。
If the crawler plate bolts loose to continue operating the machine will track bolts and gaps between panels, which led to track Crack plate.
若在履带板螺栓松动的情况下继续运转机器，会使螺栓和履带板之间产生间隙，进而导致履带板的裂纹。
If the crawler plate bolts loose to continue operating the machine will track bolts and gaps between panels, which led to track Crack plate.
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