trapping efficiency meaning in Chinese

扫气利用系数

Study on the trapping efficiency of particulate filter
柴油机微粒捕捉器捕集效率模型的研究
The experimental results show that the dpf system has 95 % high trapping efficiency , and over 89 % high regeneration efficiency , low back pressure , good adaptability to engine operating conditions
试验结果表明：系统的碳烟过滤效率高达95 % ，排气背压低，再生效率超过89 % ，工况适应性好。