水文
すいもん
noun or verb acting prenominally (other than the above)
see: 水文学
hydrological
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推問
すいもん
noun (common) (futsuumeishi)
noun or participle which takes the aux. verb suru
investigation (e.g. crime)
examination
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水門
すいもん
noun (common) (futsuumeishi)
sluice gate
water gate
flood gate
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