perforated pipe的意思|示意
美 / ˈpɜ:fəˌreɪtɪd paip /
英 / ˈpɚfəˌretɪd paɪp /
穿孔管，多孔管
perforated pipe相关例句
The hydraulic calculation of perforated pipe of secondary sedimentation thank has been presented in this paper.
主要介绍了二次沉淀池淹没式穿孔出水管的水力计算方法.
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