perforated rainwater drainage pipe的意思|示意
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穿孔雨水排水管
perforated rainwater drainage pipe的网络常见释义
透水雨水管道 黄河冲积性河道的调整 关键词：透水雨水管道；雨量入渗；试验研究 [gap=4774]Key words：perforated rainwater drainage pipe; rainwater infiltration;experimental study