JEM-2000EX电子显微镜真空故障排除
鲁国华,李科,许红
Vacuum Troubleshooting of JEM-2000EX Electron Microscope
LU Guo-hua, LI Ke, XU Hong
中国医疗设备 . 2015, (11): 170 -171 .  DOI: 10.3969/j.issn.1674-1633.2015.11.060