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Vol - ecom-jp.co.jp · 5 おわりに 上述の熱交換器と送風機の例では,小型化,高効率を求めると,圧力損失が増大し,送風機 が大きくなりました.一般に,機械装置は高性能化を求めると高価になるという二律背反の
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