Designing a muffler with high anechoic performance and low resistance loss has become an important subject on exhaust noise control.
设计高消声性能、低阻力损失的排气消声器已成为目前排气噪声控制的重要课题。
参考来源 - 汽车排气消声器消声性能及其数值分析研究·2,447,543篇论文数据，部分数据来源于NoteExpress
这种形状具有低阻力，尽管它是坏不稳定。
整体式钒催化剂是一种新型的具有规则交错孔道的低阻力催化剂。
Structured vanadium catalyst is a new, low-pressure drop catalyst with regular array of intercrossed flow channels.
而钻头在破岩过程中，既要求具有高效的破岩能力，又要求具有强耐磨性和低阻力。
The bit needs not only the high rock-breaking capacity but also the strong wear and low resistance during rock-breaking process.
应用推荐