風(feng)(feng)門：圓風(feng)(feng)門、多葉片(pian)鋼制(zhi)圓風(feng)(feng)門、單周方風(feng)(feng)門、雙軸方風(feng)(feng)門、三(san)軸方風(feng)(feng)門、四軸方風(feng)(feng)門、五軸方風(feng)(feng)門