Fits can range from free running or sliding, where a certain amount of clearance, exists between mating parts, to press or interference fits where parts are forced together under pressure.

配合可分为结合件间有自由转动或滑动从而需要具有一定间隙量的间隙配合以及结合件需要紧密压靠一起 的压配合或过盈配合。

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But it was the away side who took the lead on 25 minutes when Campbell's horrific attempted clearance allowed Reo-Coker a free run on goal from which the skipper coolly slotted past Jens Lehmann.

BBC: SPORT | Football | Premiership | Arsenal 2-3 West Ham