某一配合的最大过盈为-30μm ，配合公差为40μm<img width=12 height=22 src=http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/spacer.gif word_img=file:///C:\Users\ADMINI~1\AppData\Local\Temp\ksohtml11200\wps1.png style=background:url(http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd/>则一定是（）配合。

【单选题】【消耗次数：1】

① 过盈

② 过渡

③ 间隙

④ 不能确定

参考答案：

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