stationary steel bushing
... 释义：儿童面罩固定套 pediatric mask harness 固定钢套 Stationary Steel Bushing 固定衬套 Aufnahmebuchse ; ...
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由圆桶状钢套及其端面侧壁伸出带一折的窄钢片，在窄钢片上固定有一根铜针。
A narrow steel sheet with one-folding extends out of a barrel-shaped steel jacket and the side wall of the end surface, and the narrow steel sheet is fixed with a bronze needle.
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