有些技术员利用红外线排气分析仪来迅速检测燃油箱周围的少量的蒸气泄漏。
Some technicians use the infrared exhaust analyzer to quickly detect small vapor losses from around fuel tank.
针对柴油机（4 85 ）低频排气噪声，对其产生机理、规律及其影响因素等作了理论计算、分析及实验。
The low frequency exhaust noise of a diesel(4 85), its generation, frequency characteristics and influencing factors have been studied through theoretic calculation, analysis and experiment.
本文分析探讨了柴油机排气颗粒物的组成、危害及后处理技术。
The research trend in the after-treatment technology of diesel exhausts has been proposed.
应用推荐