closed type bearingenclosed bearingsealed bearing
... 封闭式轴承: closed type bearingenclosed bearingsealed bearing 封闭式育种: closed flock breedingclosed-flock breeding 封闭式传动轴: enclosed cardan shaft ...
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closed type bearingenclosed bearingsealed bearing
封闭式轴承封闭式轴承密封轴承
以上为机器翻译结果，长、整句建议使用 人工翻译 。