正常情况直线杆塔仅承受()。
A、导线顺线路方向的张力
B、导线、绝缘子、覆冰等重量和风力
C、相邻两档导线的不平衡张力
D、导线断线张力
参考答案:B
—Father's Day is coming. I'm going back home to see my father.
— .[ ]
A. Give my best wishes to him
B. It's very kind of you
C. Say goodbye to him, please
D. See you soon
在处理炉缸冻结事故时,渣口能正常放渣是解除冻结的标志。