forced expiratory volume in the first second FEV1
forced expiratory volume in 1st second
Forced expiratory volume in one second
第一秒用力呼气容积
第1秒用力呼气容积
1s用力呼气容积
Forced expiratory volume in six seconds
Forced expiratory volume
character in the second cutting
discomforts in the first trimester
erected as simple-supporting beam in the first stage
first in first out FIFO
Germination in the second year
in The Second Half Year of 2005
policy of prevention in the first place and integrating prevention with control
to place the human in the first position
the second second mean value theorem of integration
forced expiratory flow rates
forced expiratory technique
application of changing the volume int o piece