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洪水痕迹
gen.	highwater mark; highwater line
bridg.constr.	flood mark; high-water mark
el.	flood lever mark
hydroel.st.	flood level mark
tech.	flood level marking; high water mark
洪水痕迹〔标记，水位线〕
gen.	floodmark

洪水痕迹: 1 phrase in 1 subject

Bridge construction

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