air to air heat recovery unit
air to air missile launching envelope
air to surface area ratio
air to water heat exchanger
air to water system
空气-水调节系统
空气-水第系统
机组资源管理(CRM)
entrain air to reduce cavitation damage
Exposure to air pollution
optimizing ratio of air to fuel
optimum air to coal ratio
ratio of burning air to oil
ratio of cumulative air to water injected
ratio of injected air to produced oil