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一、請敘述「止回閥(Check value)」之目的,並繪圖說明三種常見止回閥之構造與工作原理。(20 分)
問題詳情
一、請敘述「止回閥(Check value)」之目的,並繪圖說明三種常見止回閥之構造與工作原理。(20 分)
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