【判断题】当受拉钢筋端部采用机械锚固措施时,包括附加锚固端头在内的锚固长度:抗震可为0.7La,非抗震可为0.7LaE。
【简答题】f____ n. [c] a smallimaginary creature with magic powers, which looks like a very small person 仙子;小精灵
【简答题】This swimming creature always looks as if it is smiling. It's a(n) ____________
【单选题】黄瓜花的性型受激素控制,( )多增加雄花。
【单选题】当采用机械锚固措施时,受拉钢筋的锚固长度可减小为基本锚固长度的:
【单选题】下面几个平台中不是C2C电子商务平台的是( )