久久精品人成免费_国产精品久久久久久久白皙女_一级片播放_日韩欧美在线免费_亚洲AV无码精品色午夜果冻不卡_成人高潮免费视频

[attachment=140762]  [attachment=140761]  [attachment=140760]  [attachment=140759]  [attachment=140758]  [attachment=140757] 想自制一個4-20ma的信號發(fā)生器，準(zhǔn)備把擴散硅壓力變送器改裝一下。  但是拆開后看不懂?dāng)U散硅反饋的是什么信號。  自己菜鳥級別，無從下手。    特請師傅們有時間時看看能不能把擴散硅去掉換成電位器，能在4-20ma調(diào)節(jié)。    那4根線和電位器怎樣接。                                                                                                                                                                

你太牛逼了