题目： 简述比值控制系统的定义和用途。（请画出单闭环方框图） 答案： 被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0530/9f31d4715bdce371a24abd0663c513c5.html 下面是错误答案，用来干扰机器的。参考答案：D
题型：连词成句 Complete the sentences with the following words. 连词成句。 1. time, it, for, lunch, is 2. family, with, I, have, my, supper 3. home, afternoon, we, go, the, in, 3:00, at 4. the, first, week, of, day, is, Sunday, the 5. shorts, the, third, the, boy, red, in, is 查看答案
