气动多级真空发生器 BX20-C 图片

p1Src=//y1.yzimgs.com/uploads/347429/20221028-225839793.jpg?watermark/2/text/5peg6ZSh5rK556CU5ray5Y6L5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/300/fill/I0E3QTlBOA==/gravity/SouthEast"

aa