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44. 氣壓設備的注油器係使用何種裝置來調整滑油的注油量？(A) 節流閥 (B) 旁通閥 (C) 蝶閥 (D) 針閥
問題詳情
44. 氣壓設備的注油器係使用何種裝置來調整滑油的注油量？
(A) 節流閥
(B) 旁通閥
(C) 蝶閥
(D) 針閥
參考答案
上一篇 :
15. 如圖(七)所示，衝壓機在鋼板上做圓孔衝壓加工，假設衝壓機的衝頭直徑 d=20mm、鋼板厚度 t = 3mm。若所需之衝擊力 P= 30 π kN，則鋼板的平均剪應力 τ 及衝頭的平均壓應力 σ
下一篇 :
40. 圖(二十四)為噴射引擎的噴油嘴電路及電壓v 的波形，若引擎每轉2轉，此噴油嘴噴油1次，則引擎轉速最接近多少？(A) 900 rpm(B) 1200 rpm(C) 1800 rpm(D) 210
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