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工芸基礎知識(選択問題)20171223

2017-12-23View Original

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ポンプの銘板には通常、効率が記載されています。 A. 容積 B. 水力 C. 機械 D. 総合
Reply #22017-12-23
ポンプの銘板には通常、D効率が記載されています。 A. 容積 B. 水力 C. 機械 D. 総合
Reply #32017-12-23
ポンプの銘板には、一般的に(総)効率が記載されています。

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