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【毎日のテーマ】【空調版20170405】

2017-04-05View Original

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参加報酬:2財富。正解の報酬:8富 単一選択問題:熱供給管の接続には、( )を使用すべきである。 A. 溶接  B. フランジ接続  C. 結束接続  D. 接合接続 A
Reply #22017-04-05
熱供給管網の接続には、(A)を使用すべきである。 A. 溶接  B. フランジ接続  C. 結束接続  D. 接合接続

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