The teacher assigned us a lot of homework, but we had no time for these_________(assign)
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I like the book very much,_________the first ten chapters.(particular)
What have you been doing_____? (recent)
The students have been doing well in their studies________.(late)
位置公差是()实际要素对基准在()上允许的变动全量。理想要素的位置由基准和理论正确尺寸确定。