GDQ-J系列高真空挡板阀 GD-J10/16/25/40/50KF,GD-J50/63/80/100/125/150 无锡油研流体科技有限公司

p1Src=//y1.yzimgs.com/uploads/398002/2024817-8368779.png?watermark/2/text/5peg6ZSh5rK556CU5rWB5L2T56eR5oqA5pyJ6ZmQ5YWs5Y-4IA==/font/5a6L5L2T/fontsize/400/fill/I0E3QTlBOA==/gravity/SouthEast