双向拉绳开关、BX5700、BX5700B 麻城施迈赛工业自动化有限公司

p1Src=//y2.yzimgs.com/uploads_old/440717/2015042616490751_old.png&p2Src=//y2.yzimgs.com/uploads_old/440717/2015042616291321_old.png&p3Src=//y2.yzimgs.com/uploads_old/440717/2015042616291328_old.png