... replenishment pump 补给泵 reproducing paper 复印纸 requet 漂白亚麻平布 ...
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replenishment pump topping-up pump 补给泵
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For example: Diving deep-well pump or pump water directly from the ground floor of the boiler heating system users frequency constant pressure replenishment system.
例如：用深井泵或潜水泵直接从地下取水的用户供热系统锅炉变频定压补水系统。
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