下列属于干式并联电抗器B类检修项目的是（）。
A.电抗器本体更换
B.支柱绝缘子更换
C.防护罩更换
D.专业巡视
参考答案：A, B, C
In front of our house many beautiful flowers when my grandparents were still alive with us.
A．did; grow
B．grew; /
C．had; grown
D．grow; /
“古文经”是指什么？
