试题与答案

6502电气集中电路里的解锁网络办理正常解锁时解锁网络的动作规律是怎样的?

题型:问答题 论述题

题目:

6502电气集中电路里的解锁网络办理正常解锁时解锁网络的动作规律是怎样的?

答案:

参考答案:正常解锁时,如果车运行方向是从左到右,则进路继电器1LJ先里.励磁吸起,同区段的进路继电器2LJ后励磁吸起,第一个区段解锁后,第二个区段解锁,由进路始端向终端逐渐解锁。如果运行方向从右到左,则进路继电器2LJ先励磁吸起,同区段的进路继电器1LJ后励磁吸起,也是第一个区段解锁后,第二个区段解锁,由进路始端至终端逐段解锁。

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谢志浩,男,13岁,北京人,由于出生时发生意外导致脑瘫,至今不能独自站立和行走,还有双眼向上斜视、吐字不清、语言连贯性较差等症状。谢志浩出生时,家庭经济比较困难,没有进行充分的康复治疗。谢志浩8岁时,父亲做的生意日渐红火,家庭经济日渐好转,母亲辞职在家专门照顾和管教谢志浩。由于谢志浩不能独立行走,具有语言障碍,到了上学年龄也不能随班就读,母亲就在家里教他读书写字。后来,母亲发现谢志浩对绘画感兴趣,就注意加强这方面的培养,请家庭教师教孩子学习绘画。但没过多久,谢志浩的兴趣发生转移,开始喜欢音乐,于是母亲便为他请音乐教师。现在,谢志浩又喜欢上了电脑,每天都要坐在电脑前,母亲又开始为其请相关方面的家庭教师。现在,谢志浩的父亲觉得母亲对孩子的教育好像有问题,前来向社会工作者求助。

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