水下[下水]滑道
under water launching way
假友水龙骨
Polypodium pseudoamoenum Ching
栗柄水龙骨
polypodium microrhizoma Clarke
水龙骨
Polypodlum nlpponicum Mett
japanese polypody rhizome
Polypodiodes niponica
rhizoma polypodiodis nipponicae japanese polypody rhizome shuilonggu
wall fern
傍河型地下水水源地
riverside groundwater resource field