绘图题:画出10kV线路过电流保护原理图,并根据该原理图画展开图。
参考答案:
如图E-57所示。
Mike and I _____ to the zoo and _____ some tigers there yesterday.[ ]
A. go; saw
B. go; see
C. went; see
D. went; saw
丙二酸越多,油脂氧化越历害。