noun
R
A rod used to shape materials like metal.
The blacksmith used a mandrel to form the metal.
铁匠使用一个铅芯来成形金属。
R
A rod that holds a spinning object in place.
The mechanic used a mandrel to fix the wheel.
机械师使用一个铅芯来修理轮子。
translation
芯轴
词形变化
Plural
mandrels