HAD816-A(全自动高速固晶机) (周期:120ms) 适合于矩阵式沾胶工艺的IC支架,如DFN/QFN系列、SOP系列 一、机型特性 1.采用国际领先的单邦双臂固晶,可程式恒温双沾胶,晶片搜寻系统; 2.自主研发视觉系统&工控机控制系统,简化了自动化设备的操作,简单易操作&维护; ...
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If these kind-hearted soldiers ___ us last week, we would not have such a good harvest. A.helped B.had helped C.had not helped D.didn’t help
9.Not until I left my parents for further study abroad how much they loved me.( )A.I realizedB.I had realizedC.had I realizedD.did I realize
She had better leave a note to him.改写- A note ( ) to him (by her).A.had better leftB.had be better leftC.had better be leftD.had better been left搜索 题目 She had better leave a note to him.改写- A note ( ) to him (by her). A.had better leftB.had be better leftC....
Team games at the end of sports day produced some close races, wild enthusiasm, lots of shouting — and were fun to watch.More importantly, the children who were not so fast or quick at passing the ball were hidden a little from everyone's eyes.Some of them also had the thrill of bei...
@英语地道表达had better用法总结 英语地道表达 嘿,小伙伴!关于“had better”的用法,我来给你做个简单又实用的总结吧! “had better”这个短语其实就相当于中文里的“最好”或者“最好还是”。它用来给出建议或者表示做某事是明智的选择。 基本结构:had better + 动词原形。比如,“You had better study hard....
A. must have been B. would have been C. were D. would be 相关知识点: 试题来源: 解析 D 正确答案:D解析:这道题目是一个混合虚拟语气的句子。条件句省略了if,把助词had提前到主语前面,表示对过去情况的假设,而主句中now表明了对现在情况的假设,所以应选would(should,could,might)+动词原形这种表达形式...
I have read a large part of the book the rest ___ more difficult. A. had been B. have been C. are D. is