词汇	negative air pressure
释义	negative air pressure 负气压
随便看	electric feedwater pump electric feed water pump electric field effect Electric-field effect electric field emission electric field electric-field electric, field Electric Field Action electric field-activate electric field-activated electric field activated sintering electric field adaptation electric field aging Electric field aided lateral crystallization electric field analogue test electric-field analogue test electric field analysis electric field annealing electric field approach electric field between spherical electrodes electric field-buildup method electric field calculation Electric field change electric field characteristic