暗室安全灯 meaning in Chinese

safe light
safelight

Evaluation and routine testing in medical imaging departments - constancy tests - method for darkroom safelight conditions
医疗成像科评估和常规试验.稳定性试验.暗室安全灯条件方法
Evaluation and routine testing in medical imaging departments - part 2 - 3 : constancy tests - darkroom safelight conditions
医疗成像部门中的评价和常规试验.第2 - 3部分:稳定性试验.暗室安全灯条件