德国力士乐比例流量控制阀，REXROTH流量控制阀图片

p1Src=//y3.yzimgs.com/uploads/461511/2017731-13501347.jpg?watermark/2/text/5LiK5rW35Lm-5ouT6LS45piT5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/300/fill/I0E3QTlBOA==/gravity/SouthEast"

aa