在口述记录设备上，一种卷绕磁带的轴。
On dictation equipment, a spool on which magnetic tape is wound.
连续油管在工作时除受卷绕弯曲和拉伸载荷作用外，管内常受到内压作用，承受三轴应力。
When working, coiled tubing is loaded by bending, drawing and inside pressure, so that it would bear three dimension stress.
浸渍涂布：纸卷绕过一浸于涂面溶液的轴而加上涂层的方法。
Dip coating: coating method in which the web is passed around a roller immersed in solution.
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