问题
问答题 简答题
计算题:某钢管其弯曲半径为350毫米,其弯曲角度为120度,试求弯头弧长?
答案
参考答案:
L=απR/180=120×3.14×350÷180≈733(毫米)
该弯头弧长为733毫米。
计算题:某钢管其弯曲半径为350毫米,其弯曲角度为120度,试求弯头弧长?
参考答案:
L=απR/180=120×3.14×350÷180≈733(毫米)
该弯头弧长为733毫米。
从方框中选择恰当的句子填入空白处。 | |
B: I'm going to be a professional soccer player. A: 2 _______. B: I'm going to practice playing soccer every day. A: Where are you going to work? B. 3 _______ Maybe, Beijing or Shanghai. How about you? A: 4 _______, and I'm going to take acting lessons for my dream. B: 5 _______. A: I like Zhou Jielun best. B: I wish your dream will come true. A: Thank you very much! |