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labyrinth-grease seals 迷宫式润滑脂封闭器
Rubber type of seals must comply with the prescribed grease.
密封件橡胶的类型必须符合油脂的规定。
The bearing must be equipped with seals that are able to keep dust and water out and the grease inside the bearing.
轴承上必须有密封件，防止外部的灰尘和水分进入，也防止轴承内部的润滑油脂外漏。
Grease reel bearings and wheel bearings sparingly. Over greasing may cause damage to seals and reduce the life of bearing. Grease hinge points periodically.
碎土辊轴承和车轮轴承涂抹润滑脂。过多的涂抹润滑脂可能导致油封的损坏和减少轴承的寿命。周期性地给铰接点涂抹润滑脂。
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