storm profile 中文意思是什麼
storm profile
解釋
風暴示意圖-
Standard specification for 12 to 60 in. 300 to 1500 mm annular corrugated profile - wall polyethylene pipe and fittings for gravity - flow storm sewer and subsurface drainage applications
自流式雨水管和地下排水裝置用12至60英寸300 to 1500 mm環形波紋狀異型壁聚乙烯管和配件的標準規范
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