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Thinly coat sealing lip and outer circumference of sealing ring with vaseline.
将密封圈的外圆和密封唇上涂上一层薄薄的凡士林。
Thinly coat outer circumference and sealing lip of sealing ring with vaseline.
将密封圈的外缘和密封唇上涂上一层薄薄的凡士林。
A new servomotor sealing ring is developed, its structure and material are recommended specially.
研制一种新型接力器活塞环,重点介绍了活塞环的结构和材料。
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