問題詳情
46.如下圖之迴路，為了使停止時，能提供阻尼的作用，加速馬達停止，且轉動慣量所生的壓力超出壓力源部份能夠排出，則 AB 間應裝何種閥？ 
。 
。
參考答案
答案：A
難度：簡單0.7
統計：A(21),B(4),C(3),D(0),E(0)
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