循环使用的贸易融资额度原则上不超过()。
A.3个月
B.6个月
C.9个月
D.1年
参考答案:D
He likes to play games, ___________ she likes to play with the doll.[ ]
A. and
B. but
C. to
0.38KV架空电力线路绝缘子选择要求是什么?