以下为句子列表：
英文: It is mandatory to prevent the reverse flow of fire protection system substances, i.e. glycerin wetting agents, stagnant water and water of non-potable quality from being pumped or siphoned into the potable water line.
中文: 这种装置强制性防止消防系统物质，如湿甘油剂，停滞水和非饮用级的水通过泵吸或虹吸进入饮用水系统中。
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英文: It is mandatory to prevent the reverse flow of fire protection system substances, i.e., glycerin wetting agents, stagnant water and water of non-potable quality from being pumped or siphoned into the potable water line.
中文: 这种总成强制性防止消防系统流体介质的倒流(回流)，如甘油润湿剂，积滞水和非饮用水，防止这些流体介质泵吸或虹吸进饮用水管道。
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英文: It is mandatory to prevent the reverse flow of fire protection system substances, i.e., glycerin wetting agents, stagnant water and water of non-potable quality from being pumped or siphoned into the potable water supply.
中文: 这种应用强调必须防止下列消防系统物质，如甘油，润湿剂，积滞水和非饮用级别的水由于泵吸或虹吸作用回流到饮用水供应系统中。
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英文: She has a kind of abysmal magic power on the stage.Her performance gives awaysa piece of rest, she can pentrate the heart of the people like the gentle breeze blowing over a deep stagnant water and running into a quiet body, everybody can have a strong se
中文: 她在舞台上，有一种深不可测的魔力，一举一动，哪怕是一个休止符，都有如微风从一泓止水一空掠过，寂静的身体里，便有了细浪追逐的声音。
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