air cleanliness class 空气洁净度等级 ; 空气洁净度级别
cleanliness class 100 洁净度100级
cleanliness class 1000 洁净度1000级
Article 19: Measures shall be taken to protect against cross contamination of personnel and materials entering or leaving clean rooms (areas) of different cleanliness class.
第十九条不同空气洁净度等级的洁净室(区)之间的人员及物料出入，应有防止交叉污染的措施。
Article 52: the material, style and way of wearing of protective garments shall be appropriate to the requirements of operation and cleanliness class and shall not be otherwise used.
第五十二条工作服的选材、式样及穿戴方式应与生产操作和空气洁净度等级要求相适应，并不得混用。
Probes into the approach to cleanliness abnormality in Class 100 clean room.
探讨在百级洁净室处理洁净度异常问题的思路、方法和手段。
应用推荐