The generic method to determine equipment update occasion is the model of applying conception of equipment natural life, or technical life, or economic life in isolation.
常用的确定装备更新时机的方法是孤立地应用装备的自然寿命，或者技术寿命，或者经济寿命概念的模型。
Annual inspection and special inspection and jacket for ship and platform, system inspection for ship structure, equipment and piping and evaluate for their natural life.
船舶、钻井平台、导管架的年检、特检以及船体、机电设备、管线的系统检验和寿命评估等。
It results in a series of accidents such as natural gas pipeline leakage, equipment burning caused by lightning stroke, which brings about great loss to industrial production and people's life.
因金属腐蚀而导致的一系列事故，如天然气管道泄露、雷击烧毁设备等，给工业生产和人们日常生活带来巨大的损失。
It results in a series of accidents such as natural gas pipeline leakage, equipment burning caused by lightning stroke, which brings about great loss to industrial production and people's life.
因金属腐蚀而导致的一系列事故，如天然气管道泄露、雷击烧毁设备等，给工业生产和人们日常生活带来巨大的损失。
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