prolonging life of equipment
prolonging life of equipment
延长设备使用寿命
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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As a kind of initiative maintenance, preventive maintenance mainly aims at prolonging service life of medical equipment, extending their fault-free time and lowering the whole life expense.
预防性维修属于一种主动维修，其主要目的是延长设备寿命、延长设备无故障时间、降低设备全寿命费用。
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