face.plate
n.(名词)A disk attached to the mandrel of a lathe to hold the work to be turned.面板:安装在车床活动芯轴上以使工件转动的盘The glass front of a cathode-ray tube upon which the image is displayed.显像管:阴极射线管的玻璃前端,图象显示在其面A protective plate covering the human face, as of a welder or diver.面罩:盖在人脸上的保护罩,如熔焊工人的或潜水员的