急求教kwh meters d28 single phae 220volts10(20)AMPS
1.Kwh Meters 10(20) and 20(40)AMPS SINGLE PHASE是什么
求教 measures six metres by five meters by thirty centimeters
The room ___10 meters across is large enough for a single ma
虚心求教 3相4线电表 3*220V/380V 3*10(40)A 800imp/kwh 50HZ的电表怎么看?
How tall is he( )meters? 急!
single
计算694÷28时 把28看作()来试商比较合适 A 20 B 25 C 30 D28
【急!】求教一道高数题
MATLAB 求教大神【急】
急 英语单项选择liming is 1.96 meters tall(1.96 meters画线)is liming?
求教两个数学题.求教啊,急.
220V/50Hz/ 1PH .25Amps可以查多少W(瓦)或KW(千瓦)?急救