停气 meaning in English

occlude

Productive durability test and oxygen transfer performance test in clean water per diffuser for seven kinds of diffusers were studied respectively in this paper , and serving diffusive area , air flow , varied resistance , varied resistance after stopping air flow , diffusive strength were also investigated in the productive testing period
摘要对7种曝气器产品分别进行了单盘耐用性生产试验、单盘清水充氧性能试验以及对在大生产试验期间的服务面积、供气量、阻力变化、停气后阻力变化、曝气强度等方面进行了测试对比工作。