西门子6RA70正转正常,反转电机抖... 上海恒税电气有限公司

p1Src=//y3.yzimgs.com/uploads/415942/2017414-13425720.jpg?watermark/2/text/5LiK5rW36L-q5piK6Ieq5Yqo5YyW56eR5oqA5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/400/fill/I0E3QTlBOA==/gravity/SouthEast"