具有紧密公差的尺寸表示该零件必须恰当地与某些其它零件配合。

Dimensions given close tolerances mean that the part must fit properly with some other part.

youdao

具有紧密公差的尺寸表示该零件必须恰当地与某些其它零件配合。

Dimensions given close tolerances mean that the part must fit properly with some other part.

youdao