R-K主压差阀（发电厂汽机密封油系... 上海徐吉电气有限公司

p1Src=//y3.yzimgs.com/uploads/418556/2016519-143717367.jpg?watermark/2/text/5LiK5rW35b6Q5ZCJ55S15rCU5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/300/fill/I0E3QTlBOA==/gravity/Center&p2Src=//y3.yzimgs.com/uploads/418556/2016519-143723796.jpg?watermark/2/text/5LiK5rW35b6Q5ZCJ55S15rCU5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/300/fill/I0E3QTlBOA==/gravity/Center&p3Src=//y2.yzimgs.com/uploads/418556/2016519-143729197.jpg?watermark/2/text/5LiK5rW35b6Q5ZCJ55S15rCU5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/300/fill/I0E3QTlBOA==/gravity/Center"