压缩套
The long shaped steel belt is coiled between the external gripping ring and the internal expanding core one by one, and adheres mutually via the self tonicity of the long shaped steel belt.
由箍状外夹环和圆盘状内涨芯组成,长形钢带一圈圈盘在外夹环与内涨芯间,靠其自身张力而互相贴紧。
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