1. After the mandrel is melted, a thin layer of alloy remains on the propellant surface. 此心轴溶化之后，在推进剂表面上留有一薄层的合金。
2. The mandrel is the most important heat-forming tool in MPM and its application effect decides the production cost of pipes. 芯棒是限动芯棒连轧钢管机组中最重要的热变形工具，其使用效果决定着钢管生产成本的高低。
3. The variation regularity of residual stress and thickness was disc used based on the experiments of brass tube drawn without mandrel. 在空拉黄铜管工艺实验的基础上，探讨了空拉变形工艺对残余应力和壁厚变化规律的影响。
英英解释
n.
1. any of various rotating shafts that serve as axes for larger rotating parts
閸欘垰褰查懟杈嚔 - 划词释义
