排气系统空气通气孔
exhaust system air breather
液压油箱空气通气孔盖
hydraulic tank air breather cap
n次反比力场
inverse n-order force field
半恒定反气流
semi-permanent anticyclone
半永久[性]反气旋
semi-permanent anticyclone
北美反气旋
North American anticyclone
比反硝化速率
specific denitrification rate
比反应速度常数
specific reaction rate constant
比反应速率
specific reaction rate
semichemical pulping process
比反应速率常数
specific reaction rate constant