分配阀采用钢玉、经镜面处理，密封好、耐磨，结构简单易于维护，使用寿命长。
The series feature good rigidity structure, smooth operation, long service life, high efficiency and saving energy.
分配阀采用钢玉、经镜面处理，密封好、耐磨，结构简单易于维护，使用寿命长。
The series feature good rigidity structure, smooth operation, long service life, high efficiency and saving energy.
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