There are three classes of fits: 1) clearance fits, 2) transition fits (the assembly may have either clearance or interference), and 3) interference fits.

存在三种配合：1）间隙配合，2）过渡配合（装配后可以有 间隙或过盈），和3）过盈配合。

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There are three classes of fits: 1) clearance fits, 2) transition fits (the assembly may have either clearance or interference), and 3) interference fits.

存在三种配合：1）间隙配合，2）过渡配合（装配后可以有 间隙或过盈），和3）过盈配合。

youdao