WAB型单立管排水系统属于管件特殊类单立管排水系统，在国内已广泛地应用于工程实际。
WAB single riser drainage system is a special kind of single stand pipe drainage system which has been widely used in engineering practice in our country.
排水系统采用特殊单立管排水系统，和传统排水系统相比有安装方便、排水性能好等优点。
Drainage system USES single stack drainage systems, drainage systems and traditional compared with easy installation, good drainage performance advantages.
排水系统采用特殊单立管排水系统，和传统排水系统相比有安装方便、排水性能好等优点。
Drainage system USES single stack drainage systems, drainage systems and traditional compared with easy installation, good drainage performance advantages.
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