... 天台违例构筑物 rooftop illegal structure 净水构筑物 purification structure ; water purification structures 构筑物登记编号 structure number ...
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Compared with a present water purification valve, the utility model has simple structure, low manufacture cost, no blocking, good purifying effect and long service life.
它比现有净水阀的结构简单，制造成本低，不易堵塞，净化效果好，使用寿命长。
The utility model relates to a water purification device, in particular to a filter element structure for a water purification device.
本实用新型涉及一种净水装置，尤其涉及一种净水装置滤芯结构。
This paper describes the structure, the working and maintenance theory and quality control of the blood purification water processing system.
本文叙述血液净化水处理系统的结构原理，系统的运行与保养要领以及质量控制。
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