瓦里安医用直线加速器多叶光栅故障分析和维修

余权达¹，郑雪²

Fault Analysis and Maintenance of Multi-Leaf Grating in Varian Medical Linear Accelerator

YU Quanda¹，ZHENG Xue²

中国医疗设备 . 2021, (9): 179 -183 . DOI: 10.3969/j.issn.1674-1633.2021.09.043