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问题
判断题
加工内沟槽的常用方法有:利用自动径向进给刀架、平旋盘、斜楔式径向内槽镗刀杆和内孔不通槽铣刀等。
答案
参考答案:错
选择题
She said she ______ to the party last night, but she couldn't make it because of the heavy rain.
A. went
B. had gone
C. will go
D. would go
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问答题 简答题
简述计算的意义。
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