单侧电源的三绕组变压器，应在（）装设过负荷保护。
A.高压侧
B.中压侧
C.低压侧
D.三侧
参考答案：A
—The teacher asked me to hand in our exercise books to her after class.
—________. I left mine at home.
A. Don’t mention it. B. Forget it C. Oh, my goodness
水文地质学
