weir notch 中文意思是什麼
weir notch
解釋
堰槽-
Standards for municipal wastewater discharge measurement. rectangular notch thin - plate weir
城市排水流量堰槽測量標.矩形薄壁堰 -
Standards for municipal wastewater discharge measurement. triangular notch v notch thin - plate weir
城市排水流量堰槽測量標準.三角形薄壁堰
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