工件在装夹过程中产生的误差称装夹误差,它包括夹紧误差、()误差和()误差。
参考答案:基准位移;基准不符
文中共有10处语言错误, 要求你在错误的地方增加、删除或修改某个单词。
增加:在缺词处加一个漏字符号(∧),在其下面写上该加的词。
删除:把多余的词用斜线(\)划掉。
修改:在错的词下划一横线,并在该词下面写上修改后的词。
注意:1. 每处错误及其修改均仅限一词。
2.只允许修改10处,多者(从11处起)不记分。
Last Sunday morning, when I was having a walk in the park near my home, I came across a crew make a new film with one of my favourite actor. I didn’t have my camera with me at that time, but I rushed back home to get. Unfortunately, by the time I got back, they have finished the scene and the actor couldn’t be seen everywhere. I was really disappointing and about to leave while he walked out of a building. He was right there in the front of me! I couldn’t believe my luck--not only did I had my photo taken with him, but he signed his name on my shirt!
新成立企业,依法取得对外贸易经营权后,不需持下列哪类资料有效原件及加盖企业公章的复印件,到所在地外汇局办理“贸易外汇收支企业名录”登记手续.()
A.《货物贸易外汇收支企业名录登记申请书》
B.《货物贸易外汇收支业务办理确认书》
C.《税务登记证》副本
D.《中华人民共和国组织机构代码证》