The water seal floor drain
The water seal floor drain-
This paper analyzes on the importance and functions of floor drain , compares the features of traditional water seal floor drain and the new-style self-sealing floor drain , and gives the principles of selecting the floor drain in modern residence .
分析了地漏的重要性和功能，比较了传统水封地漏和新型自动密封地漏的特点，给出了现代家居地漏的选择原则。
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