单词	射线比
释义	射线比ray ratio
随便看	outside diameter {=od} outside diameter of bellows outside diameter-- outer diameter--o.d. outside diameter 外径 outside diameter， outer diameter， o.d. outside--dimaeter outside dimension 外部尺寸 outside director outside directors outside door handle outside driving center outside edge outside envelope outside etched bulb outside etched-bulb outside extension outside face outside fair and inside good for nothing outside fair and inside ugly or bad outside finish outside fire box outside foot pass outside form outside forward out-side forward double three