生产中,应尽量采用先总装后焊接的方法来增加结构的刚性,以控制焊接变形。
参考答案:对
生产中,应尽量采用先总装后焊接的方法来增加结构的刚性,以控制焊接变形。
参考答案:对
阅读短文,用方框中所给单词的适当形式填空。方框中有一个单词是多余的。 | |
Shanghai last year and fell in love with it. I think it's 2________ a beautiful city. As a 3_______, I think I will meet lots of 4______ people. I think I'll live in an apartment with some of my best friends, because I don't like living 5_______. I'll have pets. I can't have any pets now because my mother hates 6________, and our apartment is too 7 . Maybe I'll have many different pets 8_______ I get a big apartment. And I think I'll go to America for further study some day. |