sealed-in unit
英
美
- 密封装置;密封设备
双语例句
- The gear reducers are sealed units requiring periodic lubricant change.
齿轮减速器是整体密封装置需要定期更换润滑剂。 - To determine Ball bearing Rating Fatigue Life of Ferro fluid sealed spindles, please use this table and the basic equation below.
磁性流体密封装置的轴承疲劳寿命按照以下的方法来计算。
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