PEF (peak expiratory flow)
相关英语词汇推荐
- episiostenosis
- longitudinal lie
- liquid electrode mothed
- lower half;lower part
- distant hybridization
- Hydrocarbon base
- trapezium
- Cardiac neurosis
- auditory feed-back recorder
- vaginoplasty
- bearer bond
- ewing's tumor
- quadrantic
- centricity
- crescent
- exponential amplification
- zygozoospore
- transparent layer
- phase array sector scanner
- plaited paper filter