closed ball meaning in English
闭球
Examples
- It improves the axial accuracy by using close balls for bearing ; 4
3 )采用密珠轴系提高了轴系精度。 - Sodium hypochlorite , used in water treatment , aquatic centers , and paper and textile applications , can become trapped in the body cavity of a closed ball valve and create failure conditions as the unstable chemical decomposes
次氯酸钠，用于水处理，水族中心，以及造纸和纺织应用，可能淤积在封闭的球阀阀腔内导致阀门故障或失效，如不稳定化学物质的分解和腐烂。