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 19: Measures shall be taken to protect against cross contamination of personnel and materials entering or leaving clean rooms (areas) of different cleanliness class.
喷漆房是提供涂装作业专用环境的设备，能满足涂装作业对温度、湿度、光照度、空气洁净度等要求；
Spray booth equipment for painting dedicated environment to meet the requirements of the painting - on temperature, humidity, light intensity, air cleanliness;
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。
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.
光散射式尘埃粒子计数器是用来测量空气洁净度的重要仪器，粒子计数器的主要测量误差为重叠损失误差。
Airborne particle counter (APC) is important instrument for air cleanliness certification in cleanroom. The main error of APC is coincidence loss.
高效过滤器送风口扩散孔板的开孔情况影响着室内流场、室内空气洁净度、洁净室自净时间和扩散板阻力。
HEPA supply outlet diffusion perforation panel influences cleanroom air velocity field, cleanliness, cleanliness recovery characteristic and resistance of the diffusion panel.
高效过滤器送风口扩散孔板的开孔情况影响着室内流场、室内空气洁净度、洁净室自净时间和扩散板阻力。
HEPA supply outlet diffusion perforation panel influences cleanroom air velocity field, cleanliness, cleanliness recovery characteristic and resistance of the diffusion panel.
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