The quartz sleeve of the uv lamp should be cleansed at least monthly by trained personnel of the operator or the system supplier 应由系统供应商或曾受训练的人员至少每月清洁紫外光灯的石英套管一次。
2.
4 the quartz sleeve of the uv lamp should be cleansed at least monthly by trained personnel of the operator or the system supplier 4应由系统供应商或曾受训练的人员至少每月清洁紫外光灯的石英套管一次。
