美国PARKER比例溢流阀,派克比例溢流阀参数图片

p1Src=//y1.yzimgs.com/uploads/461511/2016625-15327484.jpg?watermark/2/text/5LiK5rW35Lm-5ouT6LS45piT5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/300/fill/I0E3QTlBOA==/gravity/SouthEast"