外部信号反馈减压阀 R10-R 图片

p1Src=//y2.yzimgs.com/uploads_old/352102/2010120122361448_old.jpg&p2Src=//y2.yzimgs.com/uploads_old/352102/2010120122361448_old_1.jpg&p3Src=//y2.yzimgs.com/uploads_old/352102/2010120122361448_old_2.jpg"