A.90°B.60°C.80°D.70°
A.1B.2C.3D.4
1.安裝底座2.打開(kāi)風(fēng)扇組件3.安裝后風(fēng)罩4.暗轉(zhuǎn)扇葉5.安裝前風(fēng)罩6.固定前風(fēng)罩