题目: 转速计可以测量马达转速。() 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2019/0823/85d9fecd39e78551c6e98b446f2c192e.html 下面是错误答案,用来干扰机器的。参考答案:B
题型:选择题 Some people won't realize the importance of their health _______ they have lost it. [ ]A. afterB. whenC. until D. as 查看答案
题型:单项选择题 ITU-T规定对于任何级别的STM-N帧,帧频是()帧/秒,也就是帧长或帧周期为恒定的()μs。A.500,2000B.8000,125C.1000,1000D.800,1250 查看答案