德国贝克beck真空度检测开关 828... 苏州贝斯曼自动化设备有限公司

p1Src=//y2.yzimgs.com/uploads/370874/2018820-162319795.jpg?watermark/2/text/6IuP5bee6LSd5pav5pu86Ieq5Yqo5YyW6K6-5aSH5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/750/fill/I0E3QTlBOA==/gravity/SouthEast"