有一个题目和这个除了U1给的直接是向下其他都一样

艾默生系统卡件1C31234G01 5X00109G02 5X00063G01 1C31223G01 1B30035H01 1C31129G03 1C31224G01 CE4003S2B6 CE4033S2B1 CE4035S2B1 5X00106G02 5X00062G01 5X00119G01 1C31219G01 VE5009 5X00489G01 1C31132G01 1C31227G01 VE3007 VE4022 1C31194G03 1C31166G02 3A99266G01 5X00121G01 KJ3201X1-BA1 5X00300G01 1c31169g02 5x00167g01 CE4003S2B10

为什么右边的R和Rf并联啊

同志们，请问这里有7个回路应该怎么判断呀

家人们，你们谁会这两道题呀？

大神们这题怎么做

高数，微积分，概率论与数理统计，线代，复变函数与积分变换，电工电子，电路，模电数电答疑辅导，认真负责，不坑人，个人答题，所有题目都是本人解答，不用给定金，走平台，后付款!

有没有大佬会这个，着实难住我了

求大佬解题

—➕！电！—工—！技！！术！！！➕➕➕➕➕➕➕➕‼️——++++💯材料力学+工程力学+理论力学+结构力学+有机化学+无机化学—线+代+概率论高数大物等科辅导解题助力、答疑、交流 2813796612（寇扣）💀🤖😹😻👾🤖🎃😻😿😿

实训课做收音机

大佬们救救孩子吧

我是刚学的请写得详细点，老师写的好像有角度的

答疑解惑

求解析式

污水泵箱子里的峰鸣器咋接线啊，峰鸣器是220伏的

15. 16

就是这里，为什么ic的初始值，可以这样直接计算？谢谢大佬

本人从事自动化行业多年，长期承接各种PLC HMI IPC编程控制，可提供现场服务调试，价格美丽，合作电话13552739687 #plc#

材力理力大物，高数线代概率，电子电工模电数电，机械原理机械设计

求解答，真的看不懂

求开路电压Uab

大佬们，1-5请给个解答，谢谢😊

电工收入，月入过万，大厂拼关系，小厂拼实力。你准备好了吗？实力说话。年轻是资本 东莞26天月薪一万加班另算，提供食宿，15天支付一次工钱。23-35岁，面试超典型星三角，自带私家车,补油费600一个月， 工作内容，非标自动化接线，与维修线路，远程技术指导，拍视频直播。

QQ:642706330-(微信:642706330)-电话:18264362617-和利时FM1202,FM1201,FM1203,FM910,FM920,FM801,FM802,FM803,FM820,FM821,FM148A-D01 FM148A-D01,FM148C,FM148E,FM143,FM151A,FM161D-48 FM161D,FM171B,FM161D-48,FM1201,FM1203,FM1203,FM143,FM143E,FM147A,FM147E,FM152A,FM148R ,FM301,FM161D-SOE,FM163E,FM146A,FM146B,FM131AFM146A,FM146B,FM163E.K-AI01,K-AO01,K-DI01,K-DO01,K-RTD01,K-TC01,K-AT01,K-TT01,K-DOT01,K-BAT01,K-DOR01,K-BUST02 K-SV01,K-FC01,K-CU01,K-CUT01,K-DIT01,K-PAT01,K-AT21,K-PW01,K-PW21,K-DP02,K-DP03,K-MOD01 K-CU11,HPWR01G,HPW2405G,HPW2410G,HPW2420GK-DO01

QQ:642706330-(微信:642706330)-电话:18264362617-和利时K-DO01 FM910,FM920,FM801,FM802,FM803,FM820,FM821,FM148A-D01 FM148A-D01,FM148C,FM148E,FM143,FM151A,FM161D-48 FM161D,FM171B,FM161D-48,FM1201,FM1203,FM1203,FM143,FM143E,FM147A,FM147E,FM152A,FM148R ,FM301,FM161D-SOE,FM163E,FM146A,FM146B,FM131A K-AI01,K-AO01,K-DI01,K-DO01,K-RTD01,K-TC01,K-AT01,K-TT01,K-DOT01,K-BAT01,K-DOR01,K-BUST02 K-SV01,K-FC01,K-CU01,K-CUT01,K-DIT01,K-PAT01,K-AT21,K-PW01,K-PW21,K-DP02,K-DP03,K-MOD01 K-CU11,HPWR01G,HPW2405G,HPW2410G,HPW2420G

由于刚刚接触电工行业，考的低压电工证，于是找了一份电工的工作，每天早上就抄表，各种表，平时都没什么事儿干，闲的时候帮别人维修，感觉这样学不到东西，有点犹豫要不要换个工作，纠结…

这个标识是不是证明可以用220V电压也可以用380V电压？还是说交流电是220V线是380V的？到底什么意思啊求大佬们解答一下，拜托了

在线等求解

QQ:642706330-(微信:642706330)-电话:18264362617-和利时FM148A,FM148C,FM148E,FM143,FM151A FM161D,FM171B,FM161D-48,FM1201,FM1203,FM1203,FM143,FM143E,FM147A,FM147E,FM152A,FM148R FM910,FM920,FM801,FM802,FM803,FM820,FM821,FM301,FM161D-SOE,FM163E,FM146A,FM146B,FM131A K-AI01,K-AO01,K-DI01,K-DO01,K-RTD01,K-TC01,K-AT01,K-TT01,K-DOT01,K-BAT01,K-DOR01,K-BUST02 K-SV01,K-FC01,K-CU01,K-CUT01,K-DIT01,K-PAT01,K-AT21,K-PW01,K-PW21,K-DP02,K-DP03,K-MOD01 K-CU11,HPWR01G,HPW2405G,HPW2410G,HPW2420G,FM138-ACR

QQ:642706330-(微信:642706330)-电话:18264362617-和利时FM148A,FM148C,FM148E,FM143,FM151A FM161D,FM171B,FM161D-48,FM1201,FM1203,FM1203,FM143,FM143E,FM147A,FM147E,FM152A,FM148R FM910,FM920,FM801,FM802,FM803,FM820,FM821,FM301,FM161D-SOE,FM163E,FM146A,FM146B,FM131A K-AI01,K-AO01,K-DI01,K-DO01,K-RTD01,K-TC01,K-AT01,K-TT01,K-DOT01,K-BAT01,K-DOR01,K-BUST02 K-SV01,K-FC01,K-CU01,K-CUT01,K-DIT01,K-PAT01,K-AT21,K-PW01,K-PW21,K-DP02,K-DP03,K-MOD01 K-CU11,HPWR01G,HPW2405G,HPW2410G,HPW2420G

QQ:642706330-(微信:642706330)-电话:18264362617-和利时FM148A,FM148C,FM1201,FM1202,FM1203, FM171.FM143,FM148E,FM151A,FM152A,FM161D,FM161D-48, FM171B,FM163E,FM146A,FM146B,FM131A,FM131-E FM910,FM801,FM802,FM803,FM820,FM821,FM148R, K-AI01,K-AO01,K-DO01,K-DI01,K-RTD01,K-TC01,K-AT01 K-TT01,K-AT21,K-SOE01,K-BAT01,K-CU01,K-CUT01,K-DP02, K-DP03,K-MOD01,K-PW01,K-PW21,K-SV01,K-FC01, K-DOR01,K-DIR01,K-BUS02,K-BUST02

QQ:642706330-(微信:642706330)-电话:18264362617-和利时FM910,FM801,FM802,FM803,FM820,FM821,K-AI01,K-AO01,FM148A,FM148C,FM143,K-DI01 FM151A,FM152A,FM161D,FM171B,K-DO01,K-RTD01,K-TC01,K-CU01,K-DP02,K-DP03,K-MOD01,K-AT01,-DOT01,K-SV01,K-FC01,K-BAT01,K-PAT01

QQ:642706330-(微信:642706330)-电话:18264362617 和利时FM151A,FM143,FM161D,FM171,FM148A,FM161D-48,FM138-ACR,FM910,FM1201,FM1202,FM1203,FM801,FM802,FM803,FM820,FM821,FM131A,FM131-E,FM147A,FM147E.FM020,FM152A,FM148E,FM148R,FM132,FM920,FM146A,FM146B,FM163E,FM171K-BAT01,K-AI01,K-AO01,K-DO01,K-DI01,K-RTD01

QQ:642706330-(微信:642706330)-电话:18264362617 和利时K-AT01.K-CUT01_K-DP03K-AI01,K-RTD01,K-DI01,K-DO01,K-AT01,K-DP03

QQ:642706330-(微信:642706330)-电话:18264362617-和利时FM802_FM803_FM820,FM910,FM171B,FM143E

QQ:642706330-(微信:642706330)-电话:18264362617-和利时FM148A,FM910,FM148E,FM801,FM171B,FM161D