DH4-20型两线制变送器模块图片

p1Src=//y3.yzimgs.com/uploads/405529/201655-225213676.jpg?watermark/2/text/5oiQ5Y2O5Yy65pa56Iif55S15a2Q5Lqn5ZOB57uP6JCl6YOo/font/5a6L5L2T/fontsize/400/fill/I0E3QTlBOA==/gravity/Center"