The patrons had no idea that all of the fancy bottles of water were filled with the same water from a water hose in the back of the restaurant.
这些顾客不知道所有这些高档瓶装水中装的都是来自餐厅后面一根自来水管中相同的水。
This paper introduces the basic principle and structure of liquid-filled flexible hose Seal, the installing method and operation regulation in oil tank.
介绍了管式密封基本原理和构成，管式密封在石油储罐中的安装方法和使用注意事项。
This paper introduces the basic principle and structure of liquid-filled flexible hose Seal, the installing method and operation regulation in oil tank.
介绍了管式密封基本原理和构成，管式密封在石油储罐中的安装方法和使用注意事项。
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