自然发酵
Fermentation
natural fermentation
nature fermentation
spontaneously fermentation
spontaneous fermentation
自然细胞毒受体
Natural cytotoxicity receptor
自然吸取式柴油机
natural aspirated diesel engine
自然吸气式浮选旋流器
floatation cyclone of natural inlet air
自然吸气式发动机
naturally aspirated engine
naturally-aspirated engine （NA engine
NA engine
自然吸气式柴油机
Natural Aspi-rated Diesel Engine
natural-aspirated diesel engine