【毎週のテーマ】【空調版20160322】

2016-03-22View Original

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参加報酬：2財富。正解の報酬：9富。水力半径Rは（） A.水路断面の半径 B.断面積と湿周の比 C.断面積と断面周長の比 D.断面積と水深の比【海川感謝祭】--生産大区【生産及び管理大区】版主および技術討論者の募集

Reply #22016-03-22

B、断面積と湿周の比

Reply #32016-03-22

C.断面積と断面周長の比

Reply #42016-03-22

B、断面積と湿周の比

Reply #52016-03-22

B、断面積と湿周の比

Reply #62016-03-22

水力半径Rは（ B ） A.水路断面の半径 B.断面積と湿周の比 C.断面積と断面周長の比 D.断面積と水深の比

Reply #72016-03-22

水力半径Rは（ B ） A.水路断面の半径 B.断面積と湿周の比 C.断面積と断面周長の比 D.断面積と水深の比

Reply #82016-03-22

B、断面積と湿周の比

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【毎週のテーマ】【空調版20160322】

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