1、
For such applications, low out-particle greases are packed into the bearings.
所以,这种设备轴承所使用的润滑油脂尽可能降低飞溅性.
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2、
Her parents and younger sister helped her clear out her dorm room and packed the car.
她父母和妹妹帮助她清理她的宿舍室并且包装了汽车.
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