以下为句子列表：
英文: Pigging in pipe before inspection, pipe pigging under low throughput intermittent operation; get rid of congealable oil, wax precipitation and incrustation in pipe to reduce backpressure and friction, and lower temperature.
中文: 管线内检测前清管、低输量间歇运行输油管线清管；清除管线内部的凝油、结蜡、结垢，达到减小输油回压、减小磨阻、降低输油温度的目的。
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英文: The Development of Drinker's Incrustation Remover
中文: 饮水机除垢剂的研制
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